ASP Associate Safety Professional Exam
" Noise induced hearing loss (NIHL)
"Caused as a result of over-exposure to excessive noise. Temporary threshold shift (TTS) or permanent threshold shift (PTS) can result. Presbycusis is loss of hearing due to natural aging.
"What is a hepatoxin? What is a nephrotoxin?"
"Chemicals that attack the liver Chemical that targets kidneys
" Strict liability theory of liability?
"Deals with the characteristics of products that are unreasonably dangerous. Negligence and strict liability are part of tort law.
During operations requiring an employee to be within the control envelope of an industrial robot, what is not true concerning the pendant control?
The pendant control operates in a parallel mode with the master control panel (either can control the robot)
What best describes the term "universal precautions"
The use of comprehensive infection control procedures including necessary personal protective equipment, sharps management and contaminated equipment management.
" What is friction a function of?
The weight, surface and contact.
Prior to workers compensation laws, what did the doctrine of contributory negligence state?
The worker assumed responsibility for accidents
What is correct in reference to McGregor's theory X and theory Y?
Theory X assumes the worker is essentially uninterested and unmotivated to work
What is not an advantage of the lecture presentation?
There is only limited audience participation
The best reason to use resources from outside the organization to implement a new safety performance strategy?
There is poor alignment across levels of management relating the values that support good safety management
What describes a rate compensation fire detector?
These detectors respond to temperatures that rise rapidly and have exceeded a preset fixed temperature.
What is the inverse square law re: radiation?
This means that the energy of radiation source is inversely proportional to the square of the distance.
Minimum number of people required for a group?
Three
Warehouse aisles used by forklifts and pedestrians must be how wide?
Three feet wider than the widest forklift
With OSHA, the process of Process safety Management requires employers to certify that they have evaluated compliance with process safety requirements at least every_____??
Three years
Rocky mountain spotted fever-Rickettsial
Tick bites, skin contact with tick tissue or feces. Lumbering, construction, forestry or ranching.
What term is not associated with the pulmonary function testing conducted during the normal industrial physical?
Tidal volume-that is the volume of air or gases inspired or expired during each respiratory cycle and is normally not considered during standard Pulmonary function evaluation.
What is the primary reason for enclosing a grinding wheel?
To contain parts of the wheel should breakage occur
Why should a hood guard be used on the abrasive wheel of a floor stand grinder?
To contain the fragments of a broken abrasive wheel.
" What does an employee have right to do under OSHA act?
To contest the abatement date-NOT to change the abatement date
What is dilution ventilation used for?
To control low toxicity vapors
Define loss control system??
To identify the hazardous conditions, assess their risk and establish effective risk control measures
Why should acetylene cylinders be stored in an upright position?
To prevent acetone from escaping
What is the primary purpose of hold harmless agreements?
To prevent lawsuits
What would most correctly describe the purpose of electrical circuit breakers?
To prevent overheating of conductors or insulation.
What sound frequency range is considered to be the most harmful to hearing, especially in the speech range?
1000-4000hz
" What is the proper slant for a portable straight ladder?
12 feet vertical to 3 feet horizontal
What is the maximum burst pressure required for LPG Hoses?
1250 psig
What is the preferred flash point for an industrial cleaning solvent?
140 degrees F
Hoisting chain with a minimum breaking strength of 25 tons has been proof tested to 33,000 pounds. What value would you assign the working load limit?
16,500 lbs (elaborate)
" How long does GFCI typically take to open the circuit and interrupt the current flow when it detects current leakage to ground in a circuit?
2-3 hundredths of a second (.02-.03 seconds)
To be classified as a fiber the aspect ratio (length to diameter) must be greater than???
3 to 1
Heinrich's ratio of no injury accidents, to minor injuries, to major injuries?
300-29-1
The wavelength of the visible region of the electromagnetic spectrum extends from _________
400 to 780 namometers
" What is the limit established by the Nuclear Regulatory Commission for ionizing radiation per year?
5 rem per year
What is the minimum breaking strength allowed for lifelines and lanyards?
5,000 lbs
A 40 ton gantry crane has been out of service for more than 6 months for structural repair. It is required to be proof tested at ______?? Before being used?
50 tons
Minimum riser height and maximum tread width, in inches, for fixed industrial steps recommended by OSHA and ANSI
6 ½; 11
According to OSHA 1910.217 "Mechanical Power Press" requires how much safe distance per second of stopping time from "point of operation devices" to ensure the safety of the operator?
63 inches or 5.25 feet
Within the industrial safety community, moving parts _____ feet from the floor must be guarded?
7 feet
" Melanoma
Type of skin cancer caused as a result of over-exposure to ultraviolet radiation.
Describe the term TLV-STEL
A concentration that should never be exceeded
Flammable gases
Will burn under normal concentrations of oxygen in air
" Nonflammable gases
Will not burn under normal concentrations of oxygen
" Which state had the first workers compensation act to become law and remain in effect?
Wisconsin
Term anhydrous in anhydrous ammonia means______
Without water
What situation has the greatest chance of igniting?
Wood stored against a heating duct
Acclimatization to heat is generally achieved by requiring the employee to?
Work for two hours per day for two weeks. New workers and those returning from a prolonged absence should begin with *20%* of the workload on the first day, increasing incrementally by no more than *20%* each subsequent day. During a rapid change leading to excessively hot weather or conditions such as a *heat wave*, even experienced workers should begin on the first day of work in excessive heat with *50%* of the normal workload and time spent in the hot environment, *60%* on the second day, *80%* on day three, and *100%* on the fourth day. *Full acclimatization* may take up to *14 days* or longer depending on factors relating to the individual, such as increased risk of heat illness due to certain medications or medical conditions, or the environment.
What is an example of an ionizing radiation?
X-rays
In ionizing radiation, what are the most penetrating and what are the least penetrating?
X-rays and gamma rays are the most penetrating and alpha particles are the least penetrating.
What is the correct fire suppression agent for a fire involving a combustible metal?
Yellow star with a D in the middle
Do NIOSH employees have the same right of entry as OSHA compliance officers?
Yes
Do DOT regulations permit checking driving record of new employees hired to transport hazardous materials?
Yes-it is a DOT requirement
" Is a short exposure to a chemical above the established TLV permissible as long as the TWA is not exceeded?
Yes-unless the TLV-C is exceeded
Three classes of types of safeguards are: fixed guards; interlocking guards and________
automatic
What protection device is best in protecting a circuit protected at 20 amperes and loaded to 21 amperes?
A magnetic circuit breaker
What is a Curie (Ci)?
A measure of the activity of the radioactive material, one curie is equivalent of 3.7x10-10 disintegrations per second.
What would make the best earth ground for an electrical installation as required by the NEC?
A metal underground water pipe and connection to a driven electrode.
What would provide the lowest emissivity while engineering a shield for a high radiant heat source (industrial furnace)?
A polished light colored surface
Describe single point failure?
A single failure will seriously affect the safety of the system
" What is a roentgen?
A special unit used for measuring exposure to radiation, one roentgen equal's 2.58x10-4 coulomb per kilogram of air.
A solution contains 10-2 hydrogen ions per liter. What would this solution be considered?
A strong acid
What violates the principle of the stereotype that the term population stereotype concerning the human expectation that results from the movement of controls and fixtures?
A switch that moves up to shut off a pump?
What is a standard that is specific and only has an application for a specific industry called?
A vertical standard
What is the most important feature of a maintenance department's safety program?
A written and enforced lockout procedure
What best describes the audiogram?
A written record of hearing level measured at different frequencies
Which organization publishes the most standards within the United States?
ANSI
Which ANSI standard deals with accident reporting?
ANSI Z16.1
What organization deals with safety standards for boilers and pressure vessels?
ASME
A fire resistive wall separating oxygen and fuel gases should be how high?
About five feet
What is the term AQL defined as?
Acceptable quality level
What concept is not widely used in the safety community?
Accident proneness
What is required when performing welding operations in a petroleum facility?
An approved hot work permit
What is a disease associated with animal products?
Anthrax
What defines first aid according to OSHA?
Any one time treatment, and any follow-up visit for the purpose of observation of minor scratches, cuts, burns, splinters which do not ordinarily require medical care. A onetime treatment and follow-up visit for the purpose of observation is considered first aid.
Employee rights concerning the abatement date of an OSHA violation?
Appeal the abatement date
What is least important when picking an instructor for health and safety training?
Appearance
What is not a duty of a central safety committee?
Approving purchase requests for safety equipment
What is a type of workplace violence?
Armed robbery
Which article in the NEC deals with hazardous locations?
Article 500
What is not a purpose for displaying safety posters?
As a substitute for management support
What is the principle value of accident analysis?
As an indicator of problem areas
To protect against product liability claims, how long should a company maintain design records?
As long as possible
What is asbestosis?
Asbestosis is condition developed in lungs as a result of inhalation of asbestosis fibers.
Production area has a conveyor belt with ¾ inch rods sticking out rotating running next to a walkway. What is best course of action to protect employees from hazard?
Attach a guard the full length of the conveyor belt that covers the ends of the rods.
What is considered the main purpose of fire sprinkler systems?
Automatically deliver water to a fire
What is the principal that a ground fault circuit interrupter works under?
GFCI senses the difference in the amount of electric current entering and leaving a circuit. The difference is considered to be electric current that is leaking to the ground.
What is not an expected outcome of group training?
Gains skills
What type of ionizing radiation are luminescent radiation detectors suitable for measuring?
Gamma rays???
" What is a gas chromatograph used for?
Gas chromatograph is used to analyze a gaseous mixture and determine the concentration of each component in the mixture.
Who first implemented the mishap prevention tool of fault tree analysis?
Bell laboratories for the USAF in 1962
What is the audible range for an average young person with unimpaired hearing?
Between 20-20,000Hz
Rabies-viral
Bite of infected animal. Letter carriers and deliveryman.
What is done to minimize the potential differences between conductive objects?
Bonding
What is true when describing the discipline of Boolean algebra?
Boolean algebra is used in the study of symbolic logic
Hawthorne study concluded that plant employees would respond to:
Both positive and negative forms of attention
Cat-scratch disease (viral)
Break in skin, usually from animal scratch. People who work or play with cats and dogs.
Milkers nodules-viral
Breaks in skin. Dairy farmers and workers.
" Safety policy
Broad statement outlining organizational commitment to safety
What infection is associated with milk?
Brucellosis
What type of glove materials are best for handling containers contaminated with an acid such as hydrochloric acid?
Butyl rubber or neoprene
In a ventilation system, which operation would require the greatest capture velocity?
Grinding
When transferring an extremely flammable liquid from a 55 gallon drum via a hand pump to a small metal safety can, what provides the best protection?
Ground each container to a single low resistance ground and then bond them to each other.
What is static accumulation associated with aircraft fueling operations best minimized by?
Grounding airplane, grounding fueler, bonding both
What group of hydrocarbons would have the greatest chance of not being flammable?
Halogenated hydrocarbons
The possibility of a welder being engulfed by grain while inside a grain hopper is a hazard that should be considered as part of ______
Hazardous energy control program
What federal agency is NIOSH located within?
Health and Human services/CDC
What is the greatest danger from current X-Ray equipment from?
High voltage
What types of voltage and current characterize static electricity?
High voltages and very low current values
What industry does the Dept. of Labor standards not deal with?
Hospital
What method is not allowed for SCBA, airline respirators, or combination units?
Hospital grade oxygen
Which chemical when stored would cause an increase in facility risk when stored in an area with wet pipe automatic sprinkler system?
Calcium Carbide-with moisture creates corrosive calcium hydroxide and liberates acetylene (ethylene). If inhaled; acetylene (ethylene) can cause depression and can ignite.
Describe the term stoichiometry
Calculations relating the amounts of reactants and products in chemical reactions
What should you do if you discover leaking containers of perchloric acid and other identified chemicals?
Call an experienced HAZMAT team
Hazards of infrared radiation?
Can damage the unprotected eye or skin by releasing energy and producing a heating effect. Over-exposure of unprotected eyes to infrared radiation could give rise to cataracts.
What does explosion proof in reference to electrical equipment mean?
Capable of containing internal explosions
What electrical device is known for the storage of potential energy?
Capacitor, electrolytic
What do all organic materials contain?
Carbon
What is the term used to describe the condition "epicondylitis"?
Carpenter's elbow
" What is the most economical way to protect an elevated water tank from the damaging effects of corrosion?
Cathodic protection
Which law indicates that gases behave consistently with temperature changes?
Charles Law
When checking the electrical ground on a duplex outlet, which of the following provides the best method?
Check continuity between the green wire and the building ground
What is a neurotoxin?
Chemicals that attack the central nervous system
" What are sensitizers?
Chemicals that can cause an allergic reaction in the body after repeated exposure.
" What are irritants?
Chemicals that can cause inflammation of living tissue as a result of a chemical reaction.
What are corrosives?
Chemicals that can cause irreversible alteration of a living tissue
" What are carcinogens?
Chemicals that have the potential to cause cancer in humans
"Flammable Liquids by Class Flash points below 73 degrees F, boiling point below 100 degree F"
Class 1A
"Flammable Liquids by Class Flash point below 73 degrees F, boiling point at or above 100 degrees F"
Class 1B
"Flammable Liquids by Class Flash point at or above 73 degrees F, but below 100 degree F"
Class 1C
What class of firefighting standpipe systems is designed to be used only by fire departments?
Class I
" "Combustible liquids by class Liquids having flash points at or above 100 degree F and below 140 degree F"
Class II
"Combustible Liquids by Class Liquids having flash points at or above 140 degree F and below 200 degrees F"
Class IIIA
"Combustible Liquids by Class Liquids having flash points at or above 200 degree F"
Class IIIB
" What factor would not contribute to the absorption of a material used for noise reduction?
Color
"Hazardous area classification Class II"
Combustible dusts are likely to be present
"Fire classification Class D"
Combustible metals: sodium; lithium
What is combustion?
Combustion is the rapid chemical reaction of oxygen with a fuel.
What hazard does compressed oxygen (medical grade) present when assessing the fire risk in hospital rooms?
Compressed oxygen can cause a fire to burn much more intensely.
What would cause the most errors causing down time of a computer system?
Computer software
" What is not true when comparing the capabilities of a computer and humans?
Computers are better at following random and variable strategy
" What should a safety professional do first to begin solving a complex problem?
Conduct a thorough needs analysis
Heating accomplished by circulating hot water through copper pipes contained in the concrete floor is what type of heating system?
Conduction
What is conduction?
Conduction is the mechanism of thermal energy transfer from one molecule to another usually in one phase.
During safety inspection, you observe an electrical conduit very warm to the touch-what is best reason?
Conduit probably contains overloaded wiring.
In a newly constructed building; when should safety problems have been discovered and corrected?
During review of the building design plans
Who has responsibility for product defects as the product moves along the production line from the manufacturer to the consumer?
Everyone in the chain from raw material to finished product
What best describes emphysema?
Expanded alveoli
What is not true about Failure Modes and Effects Analysis (FMEA)
FMEA does not identify multiple failures, human factors and interfaces
What is typical sign of heat syncope?
Fainting-syncope is synonymous with partial or full loss of consciousness.
What is the major cause of office accidents?
Falls
Hepatitis-viral
Fecal-oral transmission. Health workers, particularly pediatrics, oral surgeons.
" Predictive analytical method designated by the acronym THERP?
Human error-THERP stands for technique for human error rate prediction. It is a quantitive method for estimating the probability of human error occurring during a process or sequence of steps
The reaction of oxidizers and organic compounds in combination to form an explosion is known as?
Hypergolic
Which test is associated with the OTIS-Lennon mental ability test?
IQ test
" When would a double insulated two wire portable drill produce a shock hazard?
If the energized drill was dropped in water
What are two types of warranty?
Implied and express warranty.
Brucellosis-bacterial
Ingestion, inhalation, contact with infected animals, cuts and scratches. Those who work with cattle and hogs, meat packing workers.
Histoplasmosis-fungal
Inhalation and ingestion, roof demolition workers and workers in barns and chicken houses.
Q fever-rickettsial
Inhalation of contaminated dusts and contact with infected animals (cattle, pigs or sheep) or contaminated substances. Farmers, veterinarians, slaughter house workers, and hide and wool workers.
" Ornithosis-rickettsial
Inhalation or contact with infected bird droppings. Zoo workers, pet owners
Tuberculosis-bacterial
Inhalation, contact with lesions. Silica workers, people exposed to heat and organic dusts, medical personnel, animal carertakers.
Through what major routes do toxic materials enter the body through?
Inhalation, skin absorption and ingestion
What is not a reportable DOT accident?
Injury not requiring medical response
What information is not included in injury accident analysis?
Insurance rate table
What device is most commonly used to change electrical Direct Current (DC) to Alternating Current (AC)?
Inverter
What is acute toxicity?
Is experienced in a relatively short time span
What is true concerning a wire rope safety factor?
Is lower for guy wires than for personnel hoists
What is dose threshold?
Is the minimum dosage of a chemical that can produce a measurable adverse effect.
What is chronic toxicity?
Is the result of repeated exposure over a relatively long period of time.
What doesn't a need assessment do?
It does not identify the type of training required
" What is a toxic material?
It has a negative effect on a normal human function when it is administered in a relatively small dose.
What is a rem?
It is a measure of the dose of any ionizing radiation to the body tissue in terms of its estimated biological effect relative to the dose of one roentgen.
What is the type of probability that may be specified by the obvious nature of happenings?
It is a priori probability
What is characteristic of carbon disulfide, CS2?
It is an extremely flammable liquid
What is Dermatosis?
It is an occupational disease of skin as a result of exposure to chemicals or physical work place agents.
What is Byssinosis?
It is an occupational disease that is caused as a result of excessive exposure to cotton dust.
" What is ionizing radiation?
It is any electromagnetic or particulate radiation capable of producing ions either directly or indirectly as a result of interaction with matter. The biological effects of ionizing radiation represent the effort of the living organism to deal with the excess energy left in it after interaction of its atoms with an ionizing ray or particle.
What is one characteristic of system safety?
It is done before mishaps occur
What types of ionizing radiation does a Geiger-Mueller radiation measuring instrument measure?
It is suitable for measuring gamma, beta and alpha rays. It is a tube which is filled by a gas capable of undergoing ionization. Interaction of ionizing radiation with the gas produces ions which in turn produce an electric current which is measured.
What is anthropometry?
It is the study of sizes, weights and lengths of various human body members for the design of equipment and work stations.
Threshold limit value time weighted average?
It is the time weighted average, in an 8 hour workday and a 40-hour workweek, to which nearly all workers may be repeatedly exposed to without any adverse health effects.
What is true concerning the properties of calcium carbide?
It reacts violently with water liberating and igniting hydrogen
The ASME Code requires that the minimum pressure for a standard hydrostatic test of a compressed air bottle to be 150 % of which of the following pressures?
Maximum operating pressure
Upper flammable limit
Maximum vapor concentration supporting combustion
What is a rad?
Measure of the dose of the ionizing radiation to the body in terms of energy absorbed per unit mass of tissue.
Ventilation work; TP or total pressure is_____
Measured parallel to the axis of flow
Dry chemical is an extinguishing agent associated with flammable liquids. What material is the term "dry powder" associated with?
Metals
What level of supervisors in safety work are called "key Persons"?
Mid level supervision
Lower flammable limit
Minimum vapor concentration supporting combustion
What is the most common danger from chromium electroplating?
Mists of chromic acid
What type of a device is the load boom indicator on a mobile crane?
Moment
What is not a basic element of a contract?
Monetary duty
" What is most correct concerning mishaps involving industrial robots?
Most accidents occur within the primary zone of the robot
What are exceptions to workers compensation laws?
Most common are: domestic servants; casual (short term =, temporary) laborers; agricultural or seasonal farm laborers; volunteer workers, and workers who are covered by other laws (railroad and maritime workers).
What is the major cause of on the job injuries in the United States?
Motor vehicle accidents
What correctly identifies the characteristics of the associated testing format?
Multiple choice: easy to grade, no problem with subjectivity, difficult to measure ability to recall unprompted information
What calculation is necessary to determine the upper and lower control limits associated with industrial hygiene sampling calculations?
Must also calculate the coefficient of variation.
What NFPA standard deals with fire extinguishers?
NFPA 10
What NFPA standard does private fire brigades fall under?
NFPA 600
Which agency has goal of reducing injuries, deaths and loss from traffic accidents?
NHTSA
Which body cannot require the recall of a manufactured product?
NIOSH
What is most correct concerning NIOSH?
NIOSH reports to HHS
What is not a communication barrier?
Negative reinforcement
What does a root cause analysis report not report?
Negligent individuals
What internal organ would exposure to a chemical labeled nephrotoxin target?
Nephrotoxin targets the kidneys-other agents target specific organs.
What is an economic method of treating acidic industrial waste that has a ph of three and below?
Neutralization
In epidemiology, the term incidence rate is often used to indicate the number of ______ that occurred in a given period of time.
New cases
Which class of employees has the greatest potential for accidents?
New employees
At what level do the effects of carbon dioxide inhalation result in the loss of consciousness?
Nine percent
Do bump caps have any established safety specifications?
No
What piece of equipment should be used to monitor noise levels of vehicle operators?
Noise dosimeter
What are the three components of every noise problem?
Noise source; path and receiver
What is not always required from a company that received an OSHA citation?
Not always required to retrain all employees
What is a confined space not required to have according to OSHA?
Not required to contain or have the potential to contain a hazardous atmosphere
What is the maximum allowable current when using AWG #14 jacketed wire for a branch circuit?
Number 14 gauge wire is the smallest presently allowed by the NEC for branch circuits rated at 20 amps
What is the best example of a leading indicator of safety, health and environmental performance?
Number of corrective actions closed from incident reports-a leading indicator can help to predict safety performance.
What is not a symptom of carpal tunnel syndrome?
Numbness in the little finger
What organization regulates forklifts?
OSHA
A cage on a fixed ladder on a commercial ladder cannot extend any closer than how many feet from the ground?
OSHA 1910.27 "cages shall extend down the ladder to a point of not less than 7 feet or more than 8 feet above the base of the ladder".
What is the minimum feet separation between any part of a crane and power lines allowed?
OSHA 1926.550 requires a 10 foot separation between crane and all power lines rated 50 kv or less
What other form besides log of occupational injuries does OSHA require an employer to maintain?
OSHA 301 or equivalent
" In ventilation hood design, what is the function of the slot in a slot hood?
Obtain proper air distribution
Raynaud's syndrome
Occupational disease that is caused by over exposure of the hands to vibrating tools.
What is carpal tunnel syndrome?
Occupational wrist injury due to repetitive motion. Symptoms include inflammation and pain in the wrist.
What device measures noise energy across a range of frequencies?
Octave band analyzers are used to measure the actual sound energy over a range of frequencies. This data in turn is used to calculate the noise exposure of employees.
What are the four types of errors that people generally make?
Omission, commission, sequence and timing
" Swimmers itch-parasitic
Penetration of wetted skin by snails. Workers in and around fresh water, divers, dock workers, lifeguards, and recreational swimmers.
What chemical exhibits the most dangerous properties without proper storage?
Perchloric acid
" What need is at the lowest level in Maslow's hierarchy?
Physiological
What is a pocket dosimeter used for?
Pocket dosimeter is used to measure employee exposure to radiation.
Where are photoelectric smoke detectors particularly effective?
For smoldering fires or low temperature pyrolysis of PVC
" A commercial motor vehicle transporting hazardous materials is required to display placards in which of the following locations?
Front, rear and both sides of vehicle
Management
Function of planning; organizing; coordination and measuring information and using that data to persuade an organization to move in a specific direction.
Administration
Function of planning; organizing; coordination and measuring performance and providing the data to the organization
Most fixed temperature heat detectors use:
Fusible metal; continuous wires separated by insulation and bimetallic strips or disks.
According to ANSI Z89.1-1997 specifications for helmets (hardhats) to protect employees from impact of falling objects and from high voltage electrical shock. Which of the following classes offer low voltage protection?
G
What type of industrial truck could not be used in a class 1, division 2 location?
G/LP
What type of guard is most commonly used in an automatic guillotine paper cutter?
Remote activation controls
" What types of guards are normally used to equip power presses?
Remote guards
What is not a characteristic of a cyclone air cleaner?
Remove all dusts of health importance
What is the purpose of local exhaust ventilation?
Remove contaminants at their source
" What are solid fuels that can support combustion?
Solid fuels are: wood, coal, textiles, paper, plastics, and some metals such as magnesium and cesium.
" How are future injuries and property damage caused by unsafe employee actions best reduced?
Systematically reinforcing positive employee actions and behavior
When doing training for welders on the fire characteristics of liquid hazardous chemicals, what would not be discussed?
TLV
Why is 1,1,1-Trichlorethane sometimes substituted for Trichlorethylene?
TLV is higher
When a fire detection system is electrically supervised it means that a single outage in the power supply system such as an open ground circuit will signal the presence of a fault?
TRUE
What is a temporary increase in the threshold of hearing called?
TTS- temporary threshold shift
What is the best description of a chemical that causes damage to a fetus?
Teratogen
Fixed temperature heat detectors are not suitable for fires that have the potential for developing quickly because?
The air reaches a higher temperature before the device. There is a time lag before the device temperature reaches the temperature of air surrounding it. Due to this limitation these fire detectors are not suitable for fast developing fires.
What is the definition of tensile strength on an object or of a material?
The breaking strength when exposed to tensile force
" According to the theory that "deformations are directly proportional to stresses", which statement is true concerning the elastic limit and the yield point of structural steel?
The elastic limit has a lower value than the yield point
What procedure correctly describes CMV transporting hazardous materials examination of tires?
The examination must be done every 2 hours or 100 miles.
What best describes the term safety factor when applied to the system/product safety effort?
The extra margin of safety over intended use
The best protection for employees operating power presses?
The fixed enclosure guard-it is in place all the time.
What is the prime or initial event in event tree analysis called?
The initiating event
What indicates a training instructor projecting a power image?
Dark suit, relaxed body motions, closed arm stance
" Guidelines for cleaning up a minor spill of flammable or combustible material does not include what?
"You do not have to immediately notify OSHA of a minor spill.
" What are the first symptoms of frostbite?
"pins and needles" sensation followed by numbness
What is the specific gravity of dry air?
"1 The specific gravity of gases is defined as the ratio of the weight of a certain volume of a gas as compared to the weight of an equal volume of dry air.
"A calorie is the amount of heat required to raise the temperature of one gram of water __________ BTU is the measure of energy and is the amount of heat required to raise temperature of one pound of water_______"
"1 degree Celsius 1 degree Farenheit
What is implied warranty?
"1. Divided into merchantability and fitness for a particular purpose: Merchantability-means that a product is fit for the ordinary purposes for which such goods are used. Applies only to the sellers who normally deal in particular goods. Fitness for particular purpose-if the product purchased on the basis of the seller's assistance does not perform, the implied warranty of fitness for a particular purpose is breached.
How can employee exposure to radiation be controlled?
"1. Employee exposure to radiation can be controlled by means of "shielding" the source, distance from the source (inverse square law), and reducing the time of exposure. Shielding for alpha rays: paper, aluminum sheets, and even ordinary clothing. Shielding for beta radiation: lead, aluminum and water Shielding for gamma rays: concrete, water, lead and iron
What is the proper sequence for hazard control steps?
"1. Engineer hazard out if at all possible Guard the hazard Educate personnel
Elements of strict liability?
"1. Plaintiff must prove the three elements evidence: Product was defective Defect existed at the time it left the defendants hands That the defect caused the injury or harm or was the proximate cause of the injury.
According to the fire protection handbook, although increasing storage heights increases fire intensity, storage heights up to ____ feet in piled storage and up to _____ feet in rack storage need not be adjusted.
"12 feet for piled 15 feet for rack storage
What is the difference between pounds per square inch absolute and pounds per square inch gage?
"14.7psi Pounds per square inch gage (Psig) is equivalent to pounds per square inch absolute (PSIA) minus one standard atmosphere or 14.7psi
" How many cubic feet of air does a normal worker, performing moderate work, breathe during an 8 hrs per day 40 hour work week?
"1500 cubic feet During a moderate workday will breathe about 8.5 cubic meters or 300 cubic of air.
How long must OSHA form 300 be retained in the workplace for?
"5 years Records of investigations retained 30 years
What is warranty of a product?
"Addresses the performance of a product regarding implied or explicit claims made for it by the manufacturer or seller. Warranty is part of contract law and the relationships between buyers and sellers.
What is a threshold limit value?
"Airborne concentrations of substances to which it is believed that nearly all workers may be repeatedly exposed day after day without adverse health effects TLVs can be categorized into: TLV-Time weighted average; TLV-C (threshold limit value ceiling); TLV-STEL (threshold limit value short term exposure limit
Under what condition would fault-tree analysis be least effective?
"Analysis before design Fault tree requires the matter be complete
Fire Extinguishment
"CO2 (NFPA 12) Oxygen dilution Standpipes and hose systems (NFPA 14)
The horizontal grouping of elements in the periodic table is called _____
"Period Vertical groupings are families
" "Sprinklers NFPA 13 Deluge system and Halon (FM-200) (NFPA 12A)"
"Deluge system: Wets down entire area by admitting water to sprinklers open at all times Used in high hazard areas Sprinkler heads are maximum 15 feet apart Halon (FM-200) (NFPA 12A Displaces oxygen Used to protect computer rooms, sensitive expensive equipment
What safety precaution is infrequently used to eliminate or lessen the probability of large amounts of static electricity when filling above ground flammable storage tanks?
"Electron flow detection systems NFPA 77
What system of safety analysis uses deductive reasoning?
"Fault tree analysis-deductive risk assessment techniques use a top-down approach, such as fault-tree analysis. Inductive methods (such as failure mode and effects analysis and event tree analysis) use a bottom up approach.
What are the elements of combustion?
"Four elements are required for combustion: oxygen, fuel, source of ignition or sufficient heat, and chemical chain reaction. These four elements make the four corners of what is commonly known as fire tetrahedron. To extinguish a fire, we must remove at least one of these four elements.
What is convection?
"Heat transfer by convection takes place as a result of fluid motion. In a fire situation, convective heat transfer takes place as a result of the movement of air and the combustion products. The rate of convective heat transfer is proportional to the temperature difference and the area of heat transfer.
Occupational illness caused by a virus?
"Hepatitis B is caused by the Hepatitis B virus. Brucellosis and tuberculosis are caused by bacteria
Who recommends the levels of illumination for industrial work areas?
"Illuminating Engineering Society (IES) The values for industrial illumination are given in the American National Standard A11.1, Practice for Industrial Lighting Table, 19-G
Inspection of wire rope for lifting or hoisting does not include what?
"Interlay of chock wires But it does include the following: Wear of crown wires Lubrication kinking
Negligence theory of liability?
"Involves the conduct or behavior of a person or corporate body regarding something they did or failed to do. Negligence and strict liability are part of tort law.
Safety charter
"It is essential that safety function be implemented as line responsibility Safety organizational element is a staff function that provides advice and assistance to the line in effort to comply with safety
" What is a lethal dose?
"It is the dosage of a chemical that can produce death in a certain percentage of laboratory animals. I.e. lethal dose 50 or LD50 is the dosage of a chemical that can produce death in 50 percent (half) of lab animals when entry is by ingestion or skin absorption. Route of entry is by inhalation of a toxic chemical, lethal dose is expressed as lethal concentration or LC. i.e. LC50 is the dosage of a toxic chemical that can produce death in 50 percent of lab animals route is inhalation
What method is used as a tool by management to set goals and objectives?
"MBO system Management by objectives
When shipping hazardous materials by common carrier, what would the bill of lading not be required to have?
"NFPA 704 label It should have the hazard class; ID number and quantity
" What is not true concerning OSHAS standard on benzene?
"OSHA 1910.1028 Employees requiring medical examination will be afforded an examination within 30 days of initial assignment. The initial examination should be conducted at or before the initial assignment
If a material with a molecular weight of 90 evaporates from an enclosed process tank, where would it accumulate?
"On the floor MW is very heavy and molecular weight of air is approximately 30
What is most correct concerning a Curie?
"One curie is the radioactivity of one gram of radium A curie is defined as the measure at which radioactive material emits particles.
Combustible gas indicator
"Operates with a catalytic sensor and Wheatstone bridge Requires oxygen to operate properly Some use infrared technology
What equipment is considered "intrinsically safe"
"Ordinary wristwatch It cannot release sufficient electrical energy to cause ignition
The chance of a dust cloud igniting is governed by what?
"Oxygen content and dust accumulation Size of dust particles and impurities present Strength of the source of ignition
" "ENGINEERING ECONOMY A=P i (1+i)n _______ (1+i)n-1"
"P=PRESENT VALUE OF MONEY F=FUTURE VALUE OF MONEY A=SERIES OF PAYMENTS (ANNUITY) I=INTERSST RATE N=NUMBER OF PERIODS
" "ENGINEERING ECONOMY F=A( (1+i)n-1 ) i"
"P=PRESENT VALUE OF MONEY F=FUTURE VALUE OF MONEY A=SERIES OF PAYMENTS (ANNUITY) I=INTERSST RATE N=NUMBER OF PERIODS
" "ENGINEERING ECONOMY F=P(1+i)n"
"P=PRESENT VALUE OF MONEY F=FUTURE VALUE OF MONEY A=SERIES OF PAYMENTS (ANNUITY) I=INTERSST RATE N=NUMBER OF PERIODS
" "ENGINEERING ECONOMY P=A( (1+i)n-1 ) ________ I(1+i)n"
"P=PRESENT VALUE OF MONEY F=FUTURE VALUE OF MONEY A=SERIES OF PAYMENTS (ANNUITY) I=INTERSST RATE N=NUMBER OF PERIODS
" "ENGINEERING ECONOMY P=F(1+i)-n"
"P=PRESENT VALUE OF MONEY F=FUTURE VALUE OF MONEY A=SERIES OF PAYMENTS (ANNUITY) I=INTERSST RATE N=NUMBER OF PERIODS
"ENGINEERING ECONOMY A=F( i ) (1+i)n-1 "
"P=PRESENT VALUE OF MONEY F=FUTURE VALUE OF MONEY A=SERIES OF PAYMENTS (ANNUITY) I=INTERSST RATE N=NUMBER OF PERIODS
" What type of system safety analysis would be used in the early stages of a project to determine the gross hazards that might be involved?
"PHA Preliminary hazard analysis
What does PPE do for employee safety and efficiency?
"PPE does decrease injuries Efficiency is almost always affected
What type of standard is section 1910.1000 (Air Contaminants) of the general industry standard classified as?
"Performance It is a performance standard that deals with more than one industry, making it also a horizontal standard
In project management, the work that must be performed to deliver a product, service, or result with the specified features and functions is called???
"Project scope A program evaluation is similar to an audit and is defined as a measurement of results against accepted criteria
What are single celled parasitic organisms that can cause occupational illnesses?
"Protozoa are single celled organism and many are parasitic. Bacteria are single celled but not parasitic. Viruses do not have all the components of a cell.
What does not belong to the halogen family?
"Radon Chlorine; astatine and bromine are in the halogen family
" Portable fire extinguishers
"Rated on floor area to cover 11,250ftsquared 75 feet max travel distance to class A, D 50 feet max travel distance for class B fire Employees must be trained in use of extinguishers
White light entering a triangular prism would be refracted downward and separated into the colors of the spectrum. What color would be refracted least?
"Red White light entering a triangular prism, results in separation of colors. Red refracts the least and violet the most. ROY G BIV Means red; orange; yellow; green; blue; indigo and violet
" Smoke detectors
"Respond to particles passing through a light beam Beam photoelectric detectors-opacity of smoke Reflected beam-detector senses light reflected from particles Ionization detectors Earliest practical detection Particles intercept ionized air (from radiation source) causing a change in electrical current May be place in HVAV
What is the most common language of the client/server database management?
"SQL-structured query language. It is a standardized application language for relational databases that is used to enter data into a database, modify data, delete data and retrieve data.
" What is not true concerning the OSHA regulations on exposure to cadmium?
"See OSHA 1910.1027 Exposures over the PEL requires biological monitoring, one acceptable method would be a test for hippuric acid in the urine at the end of the shift??
" What are asphyxiants? Difference between simple and chemical asphyxiants?
"Substances that can cause suffocation by preventing oxygen from reaching tissues. Simple asphyxiants-gases/vapors that are not toxic by themselves but can cause suffocation as a result of reducing the oxygen concentration. i.e hydrogen and nitrogen Chemical asphyxiants-interfere with the body's capability to absorb oxygen into the blood stream. i.e. carbon monoxide and hydrogen cyanide
What analytical technique deals with human error prediction?
"THERP-technique for human error rate prediction FTA is the acronym for fault tree analysis FMECA is the acronym for failure mode effects & criticality analysis PHA is acronym for preliminary hazard analysis
What is the least important requirement of training objectives?
"That training objectives should be written Training objectives should be measurable Training objectives should be obtainable Training objectives should be reasonable
" What is not true concerning parking of a commercial vehicle transporting hazardous materials (explosives "A" or explosives "B")?
"The driver can have someone watch the vehicle when parked on a public street You may let someone else watch it for you: On the shippers property On the carriers property On the consignees property Refer to 49 CFR part 397.5
What are rate of rise fire detectors?
"They are suitable for fast developing fires and are classified as heat detectors.
"When using Crosby clamps to secure a ½ inch wire rope what should you use? How many clips are required to construct an eye in a one-half inch wire rope?"
"Three clamps with the saddle on the live end Never saddle a dead horse Three clips with the U-bolts on the dead end (the saddle on the live end)
" When should an octave bans analyzer be used?
"To determine where the noise energy lies in the frequency spectrum. Octave band analyzers used to understand noise energy across a broad spectrum of frequencies.
Is Poisson distribution used when occurrences of an event are small, but the number of cases is large enough to assure a few occurrences?
"True
Should you always pour the acid into the water and never pour the water into the acid?
"True Pouring water into acid creates a violent reaction that often results in splashing of the acid and should be avoided. AAA=always add acid
" Leukemia
"Type of cancer that may be produced within the body as a result of over-exposure to ionizing radiation. Various solvents are linked with leukemia-i.e. benzene
How are employee doses of radiation measured in the workplace?
"Typically measured in rems. A dose of one Roentgen due to X-ray or gamma radiation is equivalent to one rem. Radiation exposures that exceed prescribed regulatory limits must be reported to OSHA within 24 hours of the incident. A written report of the incident must be submitted no later than 30 days from the occurrence of the incident.
What is a form of nonionizing radiation?
"Ultraviolet radiation is nonionizing. Alpha; x-ray and gamma are ionizing.
" "Sprinklers NFPA 13 Wet pipe and dry pipe system"
"Wet Pipe: water in system at all times and water releases when sprinkler head is heated. Dry-pipe system: Pipe filled with compressed air Water released when air pressure drops after opening at sprinkler head Used where freezing may be a problem Main valve must be in heated enclosure
What is express warranty?
"When a seller makes expressed claims or representations for a product that become a basis for the bargain. Plaintiff must establish only that the product failed to meet the seller's warranty or representations and that an injury resulted from that failure. Plaintiff does not have to prove that a defect or unreasonable danger existed in the product.
What are hazards of ultraviolet radiation?
"With skin it may give rise to condition called "erythema" that is commonly called sunburn. Exposure of the unprotected eye can cause inflammation of the cornea, giving rise to conditions known as "keratitis" and "conjunctivitis".
What is a reproductive toxin?
"· Any chemical that interferes in any way with the reproductive process by the creation of mutations or tetratogenesis: Mutagens-are chemicals that cause permanent changes to genetic material (DNA), such that changes will propagate through generational lines. Teratogens are chemicals that cause damage to a developing fetus, but the damage does not propagate across generational lines.
Ground Fault Circuit Interrupter
"· Detects difference between 2 conductors Shuts off circuit if there is a difference-as low as 2 ma and as quickly as .02 seconds Used in bathrooms; kitchens and outdoor circuits
" NFPA 70 Live Work
"· Determine flash protection boundary The default flash protection boundary for systems operating at 600 volts is 48 inches. Qualified person who works closer than 48 inches to live parts must wear PPE clothing including flame resistant clothing. This PPE is for arc-flash and arch-blast protection, not protection against electric shock.
" NFPA 70 Live Work
"· Determine shock hazard boundaries Only qualified persons can enter the restricted approach boundary. Entering the prohibited approach boundary is considered the same as touching live parts. These boundaries are for shock protection only; they determine when electrical workers must use voltage-rated (rubber) gloves and voltage rated (fiberglass) tools.
Safety sampling measures the effectiveness of the line manager's safety activities. The four steps of safety sampling include all the following except?
"· Developing corrective measures Four steps in safety sampling are: Prepare a code Take the sample Validate the sample Prepare the report
" Static electricity NFPA 77
"· Electrical charges build up on the surface of materials Charge is discharged as arc through the air Builds up in dry air Moving fluids, belts and sliding materials build up static charges Static charges are controlled through grounding and bonding
" Grounding and bonding
"· Grounding: electrically connecting a piece of equipment to ground (earth) Bonding: electrically connecting two (or more) pieces of equipment together. This prevents a static charge buildup between the pieces.
Which scaffold is the best choice for a scaffold loaded to 57lb/ft squared?
"· Heavy duty scaffold Light duty scaffold not be loaded in excess of 25 lbs per square foot Medium duty scaffold not be loaded in excess of 50 lbs per square foot
What is not true concerning Metal Fume Fever?
"· MFF is a permanent condition, which is compensable thru the workers compensation system in all states. Recovery is complete within two days
" Sprinkler Head Placement (NFPA 13)
"· Maximum allowed protection area per sprinkler not to be exceeded Maximum spacing of 15 feet 18 inches clearing underneath and around sprinkler heads
What does a velometer used for?
"· Measures air velocity It can be useful in conducting energy audits It can be useful in hood and spray booth monitoring.
Portable fire extinguishers
"· Rated based on fire class for extinguishment Class A-water Class B-foam or chemical agent Class C-foam or chemical agent Class D-dry powder
What is not true concerning carbon monoxide?
"· The current TLV for CO is 1500ppm IDLH for CO according to NIOSH guide is 1500ppm
What are the general rules for considering design recommendations using anthropometry?
"· design opening and access areas for the largest population possible design reach envelopes based on the smallest population percentile possible for the greatest user population, incorporate adjustability into every feature of the design design for function
MEANS OF EGRESS
"· exit access-path leading to exit exit-protected space separated from other parts of building exit discharge-last segment between exit and land outside (door)
Exits
"· must be clearly marked exit doors must be at least 32 inches wide after 1994 and 28 inches wide before 1994 stairway downward should allow 45 persons/minute per 22 inches of width exit doors must open in the direction of travel pull stations located within 5 feet of exit and exit discharge
When inspecting a hoisting and lifting chain hook the measurement between the shank and the narrowest point of the hook opening (throat) should not exceed what percent of the original dimension?
0.15
The specific gravity of water is_______
1
What is an unacceptable method of protecting an employee from a radiant heat source?
Increase ventilation
A body that has a definite volume but no definite shape is?
A liquid
What is the important first step in the development of an accident data collection system?
Define the subsequent use of the data
What is the recommended spacing for fire detection systems?
According to manufacturers specifications
Which of the following: benzene; tolulene; xylene or acetone has the highest vapor pressure?
Acetone
Narcosis
Acute condition resulting from over-exposure to solvents. Symptoms include disorientation and confusion.
What industry is generally credited with early development of system safety techniques?
Aerospace industry
When is the least effective time to present a safety training session?
After the company announces it is downsizing
What is the most effective noise control barrier design?
Airtight enclosure
What general class of hydrocarbon is the less flammable material acetylene (also called ethyne) catalogued?
Alkyne-acetylene is a triple carbon-carbon bond hydrocarbon.
Which of the following is the standard material used in chain slings used for moving and lifting material in industry?
Alloy steel chain
What was the 1947 Texas city disaster that took over 460 lives and injured over 600 caused by?
Ammonium nitrate mixing with oil
Which type of dry chemical is most suitable for extinguishing fires fueled by ordinary combustibles such as paper and cardboard?
Ammonium phosphate
What is dosage?
Amount of chemical administered per unit of body weight.
OSHA DART is frequently used in industrial safety work as what type of indicator?
An accident severity rate to compare your severity and frequency against other similar industry rates
Gantt chart
Bar chart illustrating a project schedule. It uses a work breakdown structure to detail the start and finish dates of terminal elements.
Computers use batch tasking to provide various reports throughout the life cycle of a project. What best describes the term batch in this context?
Batch refers to the technique of executing a set of programs in series, one finishing before the next one starts
Why is explosive proof equipment allowed to operate in a flammable or explosive atmosphere?
Because it is capable of not producing sparks under any condition
" When should emergency response instruments be calibrated?
Before and after each use
What is the minimum amount of training necessary to provide the most effective level of safety training for confined space entry?
Confined space hazard recognition training, training for testing hazardous atmospheres, training on rescue procedures, training on PPE and first aid training
What refers to the process of bonding a flammable liquid dispensing can?
Connecting the can to other conductive objects
Schistosomiasis-parasitic
Contact with infected water. Farmers and others who stand and work in flooded areas.
Dermatophytoses-fungal
Contact; people involved with farm and domestic animals and handlers of hides.
Why would a canopy hood not be considered an acceptable ventilation system for a large solvent dip tank?
Contaminant is drawn thru breathing zone
What are variations in noise levels occurring at a rate more than once per second considered?
Continuous
What can Brucellosis; ringworm and Q-fever be contracted from?
Contracted from animals
" What are the means of heat transfer?
Convection, conduction and radiation
To reduce the emissions of gasoline-fueled forklifts in a warehouse, what is the best option if you cannot use electrical trucks?
Convert to LP
"Fire classification Class K"
Cooking oil and grease
What is the most common health hazard found in a brass foundry?
Copper, zinc, lead fumes and dust
What is not a general design factor that is normally considered in system safety work?
Cost-benefit ratio
Which type of floor surface would provide the most resistance to a slip or fall accident?
Creosote wood offers the highest coefficient of friction
What analysis technique where individuals are interviewed about accidents, near misses and hazardous conditions is?
Critical incident technique
" Why does a lead oxide particle settle faster than a silica particle?
Density
What is the main reason for fish kills in streams by pollution?
Depletion of oxygen
" If you experience a high pressure fitting leak, what should be the procedure in making the repairs?
Depressurize to gage zero immediately
Which governmental agency has jurisdiction in the shipment of materials between states and sets rules and regulations concerning these shipments?
Dept. of Transportation
What is not a common redundant design philosophy?
Derating
What best describes two classes of epidemiological studies?
Descriptive or analytic
What is a design defect?
Design defects are unreasonably dangerous characteristics of a product resulting from decisions, calculations, drawings, or specification of the design process.
Define ergonomics?
Design the job to fit the person
Pressure testing is generally considered to be a potentially what type of test??
Destructive-stringent safety precautions need to be followed
What is the primary reason safety professionals perform accident investigations?
Determine causal conditions
What are program audits designed to accomplish?
Determine if the program is following the plan
What is the primary benefit of using a data logger attached to your industrial hygiene measuring devices?
Digitize data for future use and analysis.
Anthrax-bacterial
Direct contact with infected animals, hides, and wool. Risk is higher for veterinarians, farmers, butchers, leather and wool workers, carpet workers.
Uniform illumination throughout a given area is defined as a situation where:
Distribution of light is such that the maximum or minimum illumination at any given point within the area is not more than one-sixth above or below the average value in the area
Inert gases
Do not support combustion
" What does not require an equipment grounding conductor?
Double insulated hand tool
" Emergency response guidelines (EPRGS) provide values of intended as estimates of ranges where one might reasonably anticipate observing adverse effects as a consequence of exposure to a specific substance. How many levels of EPRGS?
EPRG-3 is the maximum airborne concentration below which it is believed nearly all individuals could be exposed for up to one hour without experiencing or developing life threatening health effects.
"Hazardous area classification Class III"
Easily ignitable fibers are likely to be present
Current industrial fire pumps are of the centrifugal design and pump water by the centrifugal force from turbine vanes or a rotating wheel. The pumps are allowed to be driven by which of the following?
Electric motors, diesel engines, or steam turbines
"Fire classification Class c"
Electrical equipment
Three leading causes of fire in the United States according to the Factory Mutual Engineering Corp are?
Electrical, smoking and hot surfaces
What is characteristic of a heat stroke?
Elevated body temperature
What is necessary when hearing protection is first provided to employees?
Employees should be shown how to use the hearing protection and when to use it.
What is measured to determine the specific heat of a material?
Energy absorbed per unit mass per degree temp rise
" What language must warning signs, hazardous material labels and other forms of warnings be written in?
English
What is most significant when evaluating equipment maintenance operating procedures?
Ensuring that machine energy is zero and will remain so during maintenance
Tetanus-bacterial
Entrance through breaks in the skin from penetrating or crushing trauma. Persons handling jute or contact with manure.
" What is the study of disease as it spreads through man and the environment usually involving large groups of people called?
Epidemiology
What are the three layers of skin?
Epidermis; dermis and subcutaneous
Which chemical is not used as a solvent in the application described?
Epoxies in coremaking in foundries
What class of organic chemicals forms potentially explosive peroxides?
Ethers
" What is the first action if a radium powder is spilled in your lab?
Evacuate personnel and reroute traffic
How often does a water fire extinguisher require hydrostatic testing?
Every five years
Most often recommended fundamental safety training for plant workers?
Fire extinguisher training, first aid and contingency
What encompasses the term noncombustible?
Fire resistive
What type of building construction has the greatest ability to resist structural damage from a fire?
Fire resistive
According to 1910.145, what is the minimum reading distance when posting a danger sign?
Five feet
Which fire detection system experiences thermal lag?
Fixed temperature
"Hazardous area classification Class I"
Flammable liquids; vapors and gases are likely to be present
What would/could a pitot tube measuring device be used for?
Flow testing fire hydrant
What type of aerosols is a problem associated with arc welding of stainless steel?
Fluorides; nickel and chromium
What is the best indicator of training effectiveness?
Increase in effectiveness of job performance
" Having an R number below 2000 implies what about flow characteristics in a ventilation system?
Laminar flow
" How many years of loss records is a retrospective rating of workers compensation insurance premiums based on?
Last three
Given an equal thickness of materials, which substance would be an effective shield for gamma but not neutron emissions?
Lead
Given equal thickness, what substance is most effective shield for gamma rays?
Lead
What is the inverse square law as applied to illumination state?
Light intensity on a surface varies inversely with the square of the light distance between the source and the surface.
" Light re: radiation?
Light is also a form of radiation. It follows the inverse square law. The quantity of illumination is measured in foot-candles.
" What is a light meter?
Light meter is the instrument used to measure the quantity of illumination in an area
What is required in order to make valid decisions?
Listening
What part of the body is carbon tetrachloride most likely to cause damage to?
Liver
What are three of the six types of fire protective signaling systems?
Local, central station, proprietary
Creeping eruption-parasitic
Penetration of skin by infected larvae. People involved with digging in soil (ditch diggers, utility workers, laborers, masons, gardeners and plumbers).
Before maintaining electrically powered equipment, an employee opens the electrical circuit powering the equipment and places his personal lock on the circuit to ensure that the circuit remains open while he is performing maintenance on the equipment serviced by that electrical circuit-what type of control does this describe?
Locking out a circuit is an administrative control (a procedure) since it requires a person to perform the action each time.
When reviewing a project; you have to evaluate an extensive fault tree analysis. Tasked with developing a list of single point failures, what is most true?
Look for "or" gates
" What does the acronym LTPD stand for?
Lot total percent defective
What are the three main classes of occupancy that the NFPA has for the sprinkler standard?
Low hazard; ordinary hazard and extra hazard
Which agencies test and approve respiratory protection equipment?
MSHA and NIOSH
What would not be included in a statement of warranty by a dealer for a product?
Making it look like a product that will accomplish the purpose
" What is not true concerning establishment of management goals for the occupational safety and health program?
Management goals should be published
What does a material safety data sheet not contain?
Manufacturer's part number
Are excursions above the Threshold Limit Value (TLV) permitted?
Only if below the TLV-C
" Who does responsibility for safety in operations belong to?
Operations management
What is the most common error in preparing and using computer generated statistical analysis of accident and injury data?
Operator entry
Best way of dealing with minor infractions of safety rules?
Oral reprimand
" Salmonellosis-bacterial
Oral; food service workers and patrons, meat and poultry workers.
What color identifies major moving machine parts?
Orange
"Fire classification Class A"
Ordinary material; rags; wood and rubbish
Describe the effect of leukemia on the blood
Over production of white blood cells
What compressed gas cylinder does not require a safety relief device?
POISON-A
What law forms the basis for operation of most hydraulic and pneumatic systems?
Pascal's law
Hookworm-parasitic
Penetration of skin (particularly bare feet) by larvae. Barefoot farmers and ditch diggers, sewer workers, tunnel workers, recreation (children and adults).
Which type of sprinkler system is designed primarily to protect properties when there is danger of serious water damage, resulting from damaged automatic sprinklers or broken sprinkler piping?
Preaction system-typically found in environments with lots of computers and museums where discharges of water are major concern.
A room designed for recharging of lead acid batteries does not require??
Pressure relief panels
What factors influence the destructiveness of dust explosions?
Pressure rise, pressure developed, duration
What would reflect the best use of the management tool Failure Modes and effect analysis?
Preventive maintenance indicator
What is correct concerning the technique of programmed learning?
Programmed learning is an effective tool for very short study sessions
What statement concerning epidemiological studies is most correct?
Prospective studies are also called cohort or incident studies.
Motor vehicle standards issued by the Dept of Transportation are not designed to accomplish?
Provide a safe, fuel efficient vehicle
" What technique provides the largest margin of safety when designing a large parking lot that feeds a busy arterial roadway?
Provide separate entrance/exits that favor right hand turns
Many NIOSH employees are commissioned officers in what organization?
Public Health Service
When a volcano erupts nearby, what hazard can engulf an entire town with little warning?
Pyroclastic flow-the hot ashes and gas that flow down the side of a volcano at very high speeds.
What is a disease associated with slaughterhouses?
Q-fever
What color does ANSI standard Z53.1 specify to signify danger?
Red
" Under what conditions would the use of a 5000 fpm exhaust duct velocity be justified for extended periods in a ventilation system?
Reduce settling
Why is the supervisor in the best position to serve as educator and trainer?
Responsible for production
What is a truck driver of hazardous materials not required to know according to DOT?
Rest stops
" The maximum frictional force on a body resting on another body is proportional to the____
Resultant of all forces perpendicular to the surfaces in contact and the coefficient of static friction
" Epidemiological studies describe symptoms of a disease and uncover the relationship with the etiological (causative) agent. What describes retrospective studies?
Retrospective studies look back in time on populations exposed to the agent under investigation.
What is the best method for the safety engineer to insure that safety considerations are considered in the project design phase?
Review the design with engineers
What is the correct formula to determine the percent slope of a ramp?
Rise over run
What is the first consideration when experiencing a natural emergency in an emergency preparedness plan?
Safeguard both personnel and equipment processes
What is not included in the ten basic principles of safety?
Safety management should be treated separately and different from other company management.
Which two measurements are most meaningful in determining an organization's level of safety performance?
Scheduled safety audits and benchmarking-safety performance must be measured.
What is ergonomics?
Science that studies the compatibility between the task requirements and human capabilities in order to increase work efficiency and safety.
What is the number one consideration in storing chemicals?
Segregation
What is not a required element of a respirator maintenance program?
Selection and purchase
Hearing loss from industrial exposure is usually?
Sensorineural
CEO; plant manager and department head
Sets tone for safety; leads by example
Which is a key component in a typical behavioral approach to improving safety?
Setting goals-management should be willing to check on progress toward meeting goals.
Heinrich's principle in the way safety professionals viewed the cause of certain mishaps?
Shifted emphasis from conditions to actions.
Who is responsible for completing shipping documents when shipping hazardous materials?
Shipper
Senior management officials can best support the health and safety training effort by?
Showing sincere and active interest in the program
What is siderosis?
Siderosis is an adverse condition developed in lungs (similar to asbestosis) as a result inhalation of metal fumes or dust generated in most welding and grinding operations. Also associated with fibrous materials, as well as with mining and processing of iron ore.
What disease had been known as "Potters Rot" and "stonemason's disease"??
Silicosis
According to the Commercial Motor Vehicle Safety Act of 1986, a CDL is required for what operation??
Single vehicle with a GVW of 26,000lbs.
" The forklift driver should keep the times not more than _______ from the ground
Six inches
What factors determine the safety factor for natural fiber rope?
Size of rope, material and tensile strength
If a direct current rotary generator has a commutator ring; what does a A.C. generator have?
Slip rings
What is the best inside stairwell design?
Smoke proof tower with pressurized stair tower
Heinrich's 1930's famous domino theory of accidents?
Social, fault, unsafe act, accident, injury
MSHA requires certain training for each new underground miner-describe the training?
Specific based training
What discipline is not in the broad definition of ergonomics?
Spectrophotometry
Which of the following is not correct concerning electrical wiring and equipment in hazardous (classified) locations according to the NEC?
Spray paint booths are Class I, Division I, group G locations
What best describes coefficient of variation?
Standard deviation divided by the mean
Mobile crane has struck a power line laying across the boom. What is proper course of action for the operator to take?
Stay in the crane until emergency crew arrives.
What is correct concerning the use of structural reinforcing steel in concrete structures?
Steel reinforcement is often placed on small metal plastic chairs to prevent displacement
What is the concept that a producer of a product is liable for injury due to a defect, without proof of negligence or even fault?
Strict liability
" What is correct concerning oxidizing agents?
Strong oxidizing agents can cause serious burns
During design, what is the best method of visualizing plant layout prior to actual production?
Study a three dimensional model
What is the most effective control measure in combating dermatitis in an industrial environment?
Substitution of solvents
Who is most responsible for implementing response actions required by the emergency action plan?
Supervisor
Who must take the actions listed in the plant emergency plan?
Supervisors
"Fire classification Class B"
Surface of flammable liquids: oil, grease and paints
What is not considered a major type of machine guard within general industry?
Swing away
System safety analysis can be applied to what?
System safety can be applied to almost any system that has interacting components. It is an application of systematic and forward looking techniques to identify and control hazards.
Within the intent of the NFPA standards, what is most unlikely to assume the responsibility of the "authority having jurisdiction"?
The local city manager/mayor
What best describes the principle of guarding to "Zero Mechanical State"?
The machine is not functional; locked out
According to OSHA HAZ Com; who has the responsibility to determine if a material is hazardous?
The manufacturer or importer of the chemical
TLV-STEL (Threshold limit value short term exposure limit)
The maximum allowable concentration of a chemical for exposures not exceeding 15 minutes.
TLV-C (Threshold limit value ceiling)
The maximum concentration of a chemical that should not be exceeded even momentarily.
What is basic operating principle of a portable combustible gas meter?
The measured change in electrical resistance from heating due to combustion of the sample gas across the Wheatstone bridge.
Define critical pressure
The point where no liquid-vapor phase transition occurs
What is the most important factor when reconstructing a motor vehicle collision?
The possibility of multiple causal factors
What is the primary factor in assigning safety professional in an organization?
The potential for mishaps in the organization
Marshall v Barlow involved what legal issue for OSHA?
The right of entry
Where would open frame safety glasses offer the least protection?
The toxic effects of a high concentration of acid
What is an advantage of the lecture method of delivering training?
The trainer can address any sized group
What determines the atomic number of an element?
Total number of protons
What would fail to describe the requirement of the owners of a hazardous waste site cleanup project, under the provisions of OSHA 1910.120?
Training for all specialists responding to the scene of a spill
What is most essential consideration in developing a safety training program?
Training objectives
What best describes the term "universal precautions" as defined in the OSHA standard?
Treat all blood as if it were infectious
" Fire protection systems use three distinct types of fire alarm signals: supervisory, alarm and________
Trouble
OSHA 1910.145 requires "slow moving vehicle emblems" to be placed on a vehicle when?
Vehicles, which by design move slowly (25 MPH or less) on the public roads
The A-weighted sound level measurement is used as the standard scale in occupational noise measurement because??
Weighing is related to effects of noise on the ear
" Fail active example??
When the electrically actuated valve controlling hydraulic power to an aircraft control surface always goes to the open position should electrical power fail.
When is the presentation of an audio signal more appropriate than a visual display?
When the message requires immediate attention
What is the boiling point?
When the vapor pressure of a liquid is greater than the atmospheric pressure
What is most correct after plant manager receives OSHA citations?
You must post citations for at least three days