ASP Prep
The management of a company is pooling security ideas and viewpoints of architects, safety professionals, local police, and fire officials in a coordinated effort to provide a planned defense for their facility before the actual construction begins. Which term describes the process above?
Crime prevention through environmental design
Which represents the formula used to calculate free fall distance (FF) when the anchor point is above the attachment point?
FF= Lanyard-distance between attachment and anchor point
Which is a system of tools, processes, and procedures that, when properly implemented and followed, will greatly reduce the potential for accidental release of highly hazardous chemicals?
Process safety management
Which is a tool that enables a team to identify, explore, and graphically display the possible causes of an incident or hazardous conditions?
a fishbone diagram
The pH scale represents the logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter and provides a measure on a scale from 0 to 14 of the acidity or alkalinity of a solution. Which of the following represents a strong base? a. 13 b. 9 c. 5 d. 2
a. 13
Which of the following chemical compounds is not flammable? a. CCl4 b. CH3OH c. C6H6 d. CH4
a. CCl4
Which of the following describes tensile stress? a. a force that attempts to stretch or pull material apart. b. a force that attempts to cause the internal structure of a material to slide against itself in opposite directions. c. a force that attempts to squeeze or compress a material. d. the stress or deformation caused when one end of an object is twisted in one direction and the other end is held motionless or twisted in the opposite direction.
a. a force that attempts to stretch or pull material apart.
What is the power consumed in the below circuit? 24 V - 50ohms -10 ohms- 5omhs 5ohms a. 100W b. 130W c. 170 W d. 210 W
b. 130W
A hot work (welding) permit is intended to control which leg of the fire triangle? a. heat b. fuel c. oxygen d. chemical reaction
b. fuel
Which of the following equations would be used to solve for the distance an object would fall in three seconds? a. v= Vo+ a*t b. s+ Vo*t+ (a*t^2/2) c. v^2= Vo^2+2as d. F=u*N
b. s+ Vo*t+ (a*t^2/2)
Which of the following is not used to determine the relative health hazard of an occupational contaminant? a. concentration of exposure b. probability of absorption, ingestion, or inhalation c. age of exposed employee d. duration of exposure
c. age of exposed employee
RULA (Rapid Upper Limb Assessment) is a postural targeting method for estimating the risks of work-related upper limb disorders. A RULA assessment gives a quick and systematic assessment of the postural risks to a worker. The analysis can be conducted before and after an intervention to demonstrate that the intervention has worked to lower the risk injury. the result of the rest is a RULA score. It gives you a fair idea of where you stand with your posture. The RULA action levels give you the urgency about the need to change how a person is working as a function of the degree of injury risk. The action level indicating that the person is working in the worst posture with an immediate risk of injury from their work posture, and the reasons for this need to be investigated and changed immediately to prevent an injury is- a. 1-2 b. 3-4 c. 5-6 d. 7-8
d. 7-8
The minimum amount of electric current passing through the body to produce a fatality is- a. 15A b. 1.5A c. 500-750mA d. 70-100 mA
d. 70-100mA
A mole of nitrogen gas can be described by all of the following except: a. weighs 28 grams b. has 6.024x10^23 N2 molecules c. occupies 24.45 liters at 25C and 1atm d. an explosive gas
d. an explosive gas
The letter A in the NIOSH lifting equation refers to: a. the horizontal distance of the hands from the midpoint between the ankles at the start and end point of the lift b. the height of the hands above the floor at the beginning of the lift c. the 'not to exceed' number for the particular task analyze that 90% of the work population should be able to handle safely d. angular displacement of the load from the mid-sagittal plane that forces the operator to twist the body
d. angular displacement of the load from the mid-sagittal plane that forces the operator to twist the body
The preferred practice to minimize problems associated with static (high voltage-low current) accumulation during tank truck loading operations of flammable liquids is- a. grounding truck tank to asphalt or concrete b. bonding fill line to tank on truck c. placing fill line below liquid level in truck tank d. bonding storage tank and tank truck via fill line and grounding tank
d. bonding storage tank and tank truck via fill line and grounding tank
Hearing loss from a repetitive nosie occupational exposure is referred to as sensorineural hearing loss and takes place in the inner ear. The other type is conductive and is characterized by the inability of the sound to read the inner ear. If sound is not reaching the inner ear due to problems with the mechanical transmission of sound, it might be caused by all of the following except- a. problems associated with the three bones of the middle ear (Malleus, Incus, Stapes) b. accumulations of cerumen (wax generated by the ceruminal glands located in the outer third of the ear canal) leading to the eardrum c. an infection or irritation resulting in blockage of the Eustachian (connection of the middle ear that equalized pressure with the external atmosphere) tube d. failure to perform an annual audiometric evaluation
d. failure to perform an annual audiometric evaluation
A maintenance employee is replacing the belt on a conveyor. Which safety precaution would you recommend? a. cover the activation switch located in the operation control center b. assign an employee to observe the activation switch to prevent inadvertent activation c. place a warning that in the electrical disconnect in the motor control room d. install a locking mechanism and warning tag on the main electrical disconnect.
d. install a locking mechanism and warning tag on the main electrical disconnect
The effect on the body known as potentiation is a. when the resulting effect of two or more agents on the body is qual to the sum of the individual parts b. when the resulting effect of two or more agents on the body offset each other c. where the combined effect of two chemicals is much greater than the sum of the effects of each agent given alone d. when one substance that does not normally have a toxic effect is added to another chemical, making the second chemical much more toxic
d. when one substance that does not normally have a toxic effect is added to another chemical, making the second chemical much more toxic
What is the resistance if the current (I) is 0.040 amps and the voltage (V) is 40 volts?
1000 Ohms
A company makes an investment of $24,000 to purchase safety equipment. The annual interest rate is 12%. By purchasing this equipment, the company predicts it will prevent $10,000 injury-related costs. When will the investment pay for itself?
3 years
The following data factors apply to a task: loading weight= 100lbs recommended weight limit= 55kg lifting index= lw/rwl assume 2.20kg is equal 1lb. What is the lifting index for the task?
4.00
Which term BEST describes learner-led approach to adult learning?
Andragogy
Which BEST describes lifting frequency?
Average number of lifts in a 15-minute period
Identify the potential of a BLEVE (boiling liquid expanding vapor explosion- when a vessel containing a pressurized liquid substantially above its atmospheric boiling point is ruptured, releasing the contents) deals with propane
BLEVE
Fast moving, positively or negatively charged electrons emitted from the nucleus during radioactive decay; more penetrating than alpha particles, but are less damaging over equally traveled distances; capable of penetrating the skin and causing radiation damage; generally more hazardous than alpha particles when they are inhaled or ingested; travel appreciable distances in air, but can be reduced or stopped by a layer of clothing or by a few millimeters of a substance such as aluminum.
Beta
Which is a MINIMUM recommended practice for handling human and primate cells in a laboratory setting?
Biosafety Level-2 practices and containment
Which is the recommended biosafety level for initial processing of bloodborne pathogens such as HBV and HIV?
Biosafety level-2
Which method involves connecting two or more conductive objects with a conductor?
Bonding
Any substance or radiation that promotes cancer formation. Chemical agents may be natural or synthetic, toxic or non-toxic that prevent normal cell death (apoptosis) from occurring so cellular division is uncontrolled and results in a tumor. Examples include: viruses (Hep B), hormones (estrogens), chemicals (benzene), naturally occurring minerals (asbestos), alcohol, and solar radiation (UV)
Carcinogen
Which BEST describes the characteristic of Type-C soil?
Cohesive soil w. a low compressive strength
Which is a requirement when flammable or combustible liquids are stored in inside rooms?
Complete change of air within the room at least six times per hour
Which is important during the pre-incident planning process for a fixed facility?
Discussion of training and exercise requirements involving all responders
Which category of sprinkler system is installed in areas where there is potential of freezing?
Dry pipe systems
It is important to educate people who make hiring decisions about the need for professionals and the role of safety, health, and environmental (SH&E) in organizations. Which is currently considered a key element for the role of the SH&E profession?
Education, based on a defined body of knowledge
The development of which system accelerated pollution prevention outcomes?
Environmental Management System
Which is a MINIMUM requirement for service of a portable fire extinguisher by an employer?
Every 12 months
Which is the process of estimating or measuring the magnitude, frequency, and duration of exposure to an agent, along with the number and characteristics of the population exposed?
Exposure assessment
Which part of an organization is typically responsible for functions related to design, construction, standards, and repair?
Facilities
Which is a characteristic of Class IC flammable liquids?
Flash point is at or above 73F but below 100F
The 2011 earthquakes in Japan, which resulted in tsunamis, have raised major concerns for the countries along the north-eastern coasts of the Pacific Ocean. Which is the identified concern?
Foreign species of marine life being transported to their shores
One of the key challenges of preparing a training program is making sure that it will accomplish the objectives for which it is developed. Which evaluation method assesses the effectiveness of a training program while it is under development?
Formative
Weightless packets of energy called photons; they have neither a charge nor a mass and are very penetrating; produced by the decay from high energy states of atomic nuclei from natural sources; can easily pass completely through the human body or be absorbed by tissue, thus constituting a radiation hazard for the entire body; several feet of concrete or a few inches of lead may be required to stop the more energetic rays
Gamma
Emergencies can arise in an organization or a workplace at any time, from many different causes. Which is the BEST safety management tool for minimizing incidents in a workplace?
Have a written comprehensive management plan
Which type of air sampling method involves the collection of one or more personal air samples in order to estimate a worker's 8-hour time-weighted average exposure?
Integrated sampling
Provide a fast response to high energy (open flaming) fires since these fires produce large numbers of the smaller smoke particles.
Ionizing smoke detectors
A substance or agent that causes an increase in the rate of change in genes subsections of the DNA of the body's cells. Sometimes passed along as the cell reproduces, sometimes leading to defective cells or cancer. Examples include certain biological and chemical agents as well as exposure to ultraviolet light or ionizing radiation.
Mutagen
Which occupational disease can be caused by chronic exposure to mercury?
Neuropsychiatric disorders
Respond fast to the smoke generated by low energy (smoldering) fires since these fires produce more of the larger smoke particles
Photoelectric
Consider the following list: Light scattering principle Cloud chamber principle Light obscuration principle Which detectors operate on one of these three principles?
Photoelectric detectors
Which is the PRIMARY source of freshwater on the planet?
Precipitation
Risk transfer is a risk management and control strategy that involves the contractual shifting of a pure risk from one party to another. Which is an example of risk transfer strategy?
Purchase an insurance policy
Which is a PRIMARY preparedness strategy for a workplace when planning for an imminent chemical, biological, radiological, or nuclear (CBRNE) attack?
Shelter in place
Various chemicals react differently with other chemicals and also have varying effects on humans and animals in these different combinations. The combined effect of two chemicals is much greater than the sum of the effect of each agent acting independently. Which term describes this reaction?
Synergistic
A substance or agent that can poison or cause degenerative effects in a developing embryo. Examples include: alcohol, tobacco smoke, sedatives, and large doses of vitamin K.
Teratogen
An agent that can cause malformations of an embryo or fetus. This can be a chemical substance, a virus or ionizing radiation. Examples include: mercury, potassium iodide, nuclear fallout radiation, and high temperature
Teratogen
Vulnerability assessment typically focus on which threat or hazard?
Terrorism
Which is generally acknowledged to be the primary determining factor in assigning safety personnel?
The potential for serious injuries in the organization
Which tools are considered high risk for vibration?
Tools that produce low-frequency/high-amplitude vibration
Which action is required if serious hazards are not being identified and accidents keep occurring in a facility?
Train inspectors to look for different hazards.
Front-end analysis, task analysis, Delphi technique, and individual needs are examples of which pre-delivery training component?
Training needs assessment
Which is a condition that results from prolonged exposure to cold weather for 12 hours or longer, at temperatures ranging from 50F to 70F, or for shorter periods at or near 32F?
Trench foot
Which is considered a bio-hazardous waste?
Waste from a laboratory that works with prions.
High-energy photons produced by the interaction of charged particles with matter; emitted from processes outside the nucleus; generally lower in energy and therefore less penetrating than gamma rays; single largest source of man-made radiation exposure.
XRay
Automatic sprinklers operate in various temperature ranges. A fusible-link head that is intended for areas classified as 'ordinary' operates in the following range: a. 135-170F b. 175-225F c. 250-300F d. 325-375F
a. 135-170F
Panic hardware is a door-latching assembly incorporating a bar, push pad, or other actuating member that releases the latch bolt upon application of force in the direction of egress travel. Similar hardware that has undergone additional testing to ensure that it can be used on a fire door assembly without adversely affecting the performance of such door is called fire exit hardware. Panic hardware or fire exit hardware is required, regardless of occupancy classification, on doors serving high hazard contents areas with an occupant load of more than five. Panic hardware or fire exit hardware is additionally required by some occupancy chapters. For example, three occupancies- assembly, educatioonal, and daycare- require panic hardware or fire exit hardware on any door that latches and serves an area with an occupant load of- a. 50 or more b. 100 or more c. 250 or more d. 500 or more
a. 50 or more
Employee exposure to noise w. a sound level meter typically is measured on the a. A-weighted scale b. B-weighted scale c. C-weighted scale d. Relative-Response scale
a. A-weighted scale
Guards are barriers which prevent access to danger areas. There are four general types of guards. Which of the following guard type would be classified as fixed? a. a guard that is permanent part of the machine. it is not dependent upon moving parts to perform its intended function. it may be constructed of sheet metal, screen, wire cloth, bars, plastic, or any other material that is substantial enough to withstand whatever impact it may receive and to endure prolonged use. this guard is usually preferable to all other types because of its relative simplicity and permanence. b. when this type of guard is opened or removed, the tripping mechanism and/or power automatically shuts off or disengages, and the machine cannot cycle or be started until the guard is back in place. May use electrical, mechanical, hydraulic, or pneumatic power or any combination of these. c. the openings of these barriers are determined by the movement of the stock. as the operator moves the stock into the danger area, the guard is pushed away, providing an opening which is openly large enough to admit the stock. After the stock is removed, the guard returns to the rest position. This guard protects the operator by placing a barrier between the danger area and the operator. This guard may be constructed of plastic, metal, or other substantial material. d. a guard that is useful because it allows flexibility in accommodating various sizes of stock.
a. a guard that is permanent part of the machine. it is not dependent upon moving parts to perform its intended function. it may be constructed of sheet metal, screen, wire cloth, bars, plastic, or any other material that is substantial enough to withstand whatever impact it may receive and to endure prolonged use. this guard is usually preferable to all other types because of its relative simplicity and permanence.
Which of the following describes a virus? a. a sub-microscopic infectious agent that is unable to grow or reproduce outside a host cell. examples: common cold, aids, hiv, herpes, hepatitis B & C b. single-celled microorganisms which can exist either as independent (free-living) organisms or as parasites (dependent upon another organism for life) c. a type of protein made by certain white blood cells in a response to a foreign substance (antigen) d. the science that deals with the systematic measurements of the size, shape and composition of the human body
a. a sub-microscopic infectious agent that is unable to grow or reproduce outside a host cell. examples: common cold, aids, hiv, herpes, hepatitis B & C
A safety device may perform one of several functions. It may stop the machine if a hand or any part of the body is advertently placed in the danger area; restrain or withdraw the operator's hands from the danger area during operation; require the operator to use both hands on machine controls, thus keeping both hands and body out of danger; or provide a barrier which is synchronized w. the operating cycle of the machine in order to prevent entry to the danger area during hazardous part of the cycle. Which of the following describes a presence-sensing device? a. a system of light sources and controls which can interrupt the machine's operating cycle. If the light field is broken, the machine stops and will not cycle. This device must be used only on machines which can be stopped before the worker can reach the danger area. The design and placement of the guard depends upon the time it takes to stop the mechanism and the speed at which the employee's hand can reach across the distance from the guard to the danger. b. a series of cables attached to the operator's hands, wrists, and/or arms. This type of device is primarily used on machines with stroking action. When the slide/ram is up between cycles, the operator is allowed access to the point of operation. When the slide/ram begins to cycle by starting its descent, a mechanical linkage automatically assures withdrawal of the hands from the point of operation. c. utilizes cables or straps that are attached to the operator's hands at a fixed point. the cables or straps must be adjusted to let the operator's hands travel within a predetermined safe area. There is no extending or retracting action involved. Consequently, hand-feeding tools are often necessary if the operation involves placing material into the danger area. d. requires constant concurrent pressure by the operator to activate the machine. this kind of control requires a part-revolution clutch, brake, and a brake monitor if used on a power press. the operator's hands are required to be at a safe location (on control buttons) and at a safe distance from the danger area while the machine completes its closing cycle.
a. a system of light sources and controls which can interrupt the machine's operating cycle. If the light field is broken, the machine stops and will not cycle. This device must be used only on machines which can be stopped before the worker can reach the danger area. The design and placement of the guard depends upon the time it takes to stop the mechanism and the speed at which the employee's hand can reach across the distance from the guard to the danger.
Which of the following is a list of factors to be considered when evaluating a lifting task? a. weight of object, distance, height of task, time required b. age, sex, height of person, time c. weight of person, distance to task, sex d. time, weight of object, age of person, weight of person
a. age, sex, height of person, time, time required
Which of the following describes asbestosis? a. damage and scarring caused by the asbestos fibers lead to stiffness in your lung tissue that your lungs can't contract and expand normally b. exposure occurs when dust or fumes are inhaled, or when ingested via contaminated hands, food, water, cigarettes, or clothing. it is toxic to many organs and tissues including the heart, bones, intestines, kidneys, reproductive and nervous systems. poisoning is diagnosed with a blood test. occupational exposures include: construction workers, steel welders, bridge reconstruction, firing range instructors, painters, battery manufacturing, foundry workers, and scrap metal recyclers, symptoms include: persistent fatigue, irritability, loss of appetite, stomach discomfort and/or constipation, reduced attention span, and insomnia. c. inflammation of the lung caused by inhaling of dust which contains iron salts and also other iron particles (iron oxide) present in welding material, foundries, iron ore mining. d. a material found in groundwater, coke oven emissions, wood preservative, glass production and semiconductor manufacturing that interferes with cellular longevity impacting the lungs, kidneys and liver. it is biologically monitored by blood, urine, hair and nails.
a. damage and scarring caused by the asbestos fibers lead to stiffness in your lung tissue that your lungs can't contract and expand normally
What type of heat detector experiences thermal lag? a. fixed temperature heat detector because they sometimes activate at room temperatures above their preset temperature. b. a rocket propellant consisting of fuel and an oxidizer that ignite spontaneously on contact c. rapid combustion, associated with a flame moving through a gas mixture, generating sub-sonic flame speeds. d. an exothermic chemical reaction (eg fire) which propagates through reactive material at supersonic speed.
a. fixed temperature heat detector because they sometimes activate at room temperatures above their preset temperature.
Which of the following describes histoplasmosis? a. grows in soil and material contaminated with bat or bird droppings. spores become airborne when contaminated soil is disturbed. breathing the spores causes infection. b. an infectious disease caused by a bacteria. these bacteria are primarily passed among animals, and they cause disease in many different vertebrates (sheep, goats, cattle, deer, elk, pigs, dogs. humans become infected by coming in contact with cows and their blood/milk products with remittent undulatory fever. c. a lung disease caused by exposure to dusts from cotton processing, hemp and flax. the small airways become blocked, severely harming lung function. in the united states, byssinosis is almost completely limited to workers who handle unprocessed cotton (aka brown lung disease) d. caused by eating raw or undercooked meat of animals infected with the larvae of a worm. infection occurs commonly in certain wild carnivorous (man-eating) animals but may also occur in domestic pigs.
a. grows in soil and material contaminated with bat or bird droppings. spores become airborne when contaminated soil is disturbed. breathing the spores causes infection.
Which of the following is describing tendonitis? a. inflammation of a tendon from repeated tension, motion, bending, being in contact with a hard surface, tension b. synovial sheath swelling from repetitive motion causing the sheath to press onto the tendon c. closure of the digit's arteries caused by vasospasms triggered by vibrations. smaller arteries that supply blood to the skin narrow, limiting blood circulation. the fingers and toes are commonly involved feel numb and cool when exposed to cold temperatures. it's often accompanied by changes in color of the skin. d. entrapment of the inlet nerve as it passes through the Guyen tunnel in the wrist
a. inflammation of a tendon from repeated tension, motion, bending, being in contact with a hard surface, tension
The cochlea- a. is spiraled, hollow, conical chamber of bone filled with a watery liquid which moves in response to the vibrations coming from the middle ear via the oval window b. contains four rows of hair cells tuned to certain sound frequencies c. is a thin membrane that separates the external from the middle ear. it's function is to transmit sound from the air to the ossicles inside the middle ear. d. is a nerve in the head that carries signals from the cochlea of the inner ear to the brain
a. is spiraled, hollow, conical chamber of bone filled with a watery liquid which moves in response to the vibrations coming from the middle ear via the oval window
Blood tests are a method of biological monitoring for exposure to: a. lead, alcohol parathion (cholinesterase) b. acetone, benzen (phenols), methanol, fluorides c. alcohol, CO, ethyl benzene, N-Hexane
a. lead, alcohol parathion (cholinesterase)
Ionizing smoke detectors: a. provide a fast response to high energy (open flaming) fires since these fires produce large numbers of the smaller smoke particles b. respond fast to the smoke generated by low energy (smoldering) fires since these fires produce more of the larger smoke particles. c. operate on the principle of light obscuration and consist of a beam of light installed at one end of the area to be protected and the photosensitive device at the other end. d. identify the potential of a BLEVE (boiling liquid expanding vapor explosion- when a vessel containing a pressurized liquid substantially above its atmospheric boiling point is ruptured, releasing the contents) eg a tank containing LPG
a. provide a fast response to high energy (open flaming) fires since these fires produce large numbers of the smaller smoke particle
A combustible gas meter reads 25%, what does this indicate? a. the concentration is 25% of the lower flammable limit b. the concentration is 25% of the upper flammable limit c. the concentration is 2500 ppm d. the concentration is flammable
a. the concentration is 25% of the lower flammable limit
Vapor pressure is: a. the pressure exerted by a volatile liquid at equilibrium conditions (rate of escape of molecules from the liquid equals the rate of their return to the liquid) b. the point where vapor pressure equals atmospheric pressure c. when a liquid has a boiling point below -150C and will not stay in the container over an extended time d. a chemical reaction that releases heat and gives net energy to its surroundings
a. the pressure exerted by a volatile liquid at equilibrium conditions (rate of escape of molecules from the liquid equals the rate of their return to the liquid)
Electric arc welding produces an intense flash which may produce a condition commonly known as flashburn or welders flash (impacts the cornea- the transparent front part of the eye). Which portion of the electromagnetic energy spectrum is associated with this condition? a. ultraviolet b. infared c. visible light d. x-ray
a. ultraviolet
An extinguisher designated for use on a class A fire is appropriate for which of the following? a. wood, paper trash b. flammable liquids c. electricity d. metals
a. wood, paper trash
Particles (helium nuclei) that rapidly lose energy when passing through matter; lose energy rapidly in matter and do not penetrate very far; however, they can cause damage over their short path through tissue; these particles are usually completely absorbed by the outer dead layer of the human skin and are not a hazard outside the body: can be very harmful if they are ingested or inhaled; can be stopped completely by a sheet of paper.
alpha
The question mark in the reaction equation below represents a missing component. 14C6 -> 14N7 + ?
an electron
What is the lifting index (LI) of a task when: LC= 23, HM= 1, VM= 1, DM= .88, AM= 1, FM= .84, CM= 1, and the load is 20kg. a. 0.8 b. 1.2 c. 1.7 d. 2.5
b. 1.2
Given a safety factor of 10 for a 2cm manila rope w. a tensile strength of 10,000 newtons, what is the maximum safe working load in kg? a. 10 b. 100 c. 1000 d. 10000
b. 100
Determine the volume flow rate in a 6in. diameter duct where the total pressure is -0.8" and the static pressure is -2.5". a. 500cfm b. 1000cfm c. 1500cfm d. 2000cfm
b. 1000cfm
You record a reading of 120 dBA with a sound level meter at a distance of 5 meters from a compressor. If you move to a distance of 10 meters from the compressor, the noise level reading will be a. 109 dBA b. 114 dBA c. 117 dBA d. 120 dBA
b. 114 dBA
What would be the new volume of an ideal gas if the initial conditions (200ml @ 25C @ 100psig) were changed to 0C @ 150psig? a. 80ml b. 130ml c. 180ml d. 220ml
b. 130ml
A 100,000kg cylindrical tank is on a platform located 1.33m above a fresh water lake located near the equator. If the platform base (built for this tank) is 75m^2, what is the pressure on the platform? a. 5kPa b. 13kPa c. 18kPa d. 23kPa
b. 13kPa
Methyl chloroform is lost by evaporation from a tank at a rate of 1.5 pints per 60min. What is the ventilation rate required to maintain the vapor concentration at the TLV? Assume: TVL- 359ppm, SG- 1.32, MW- 133.4, K- 5 a. 1250cfm b. 1425cfm c. 1600cfm d. 1775cfm
b. 1425cfm
The inverse square law relates to the following areas of industrial hygiene: illumination, radiation & noise. If an employee is exposed to 100 mSv/hr of radiation at a distance of 10 feet from the source, what would the radiation level be at a distance of 25 feet? a. 5 mSv/hr b. 16 mSv/hr c. 25 mSv/hr d. 100 mSv/hr
b. 16 mSv/hr
If you are using a two-piece block and tackle with five parts of rope to lift a load of 500kg, how many newtons of force are required for a dynamic lifting condition? a. 1200 b. 1600 c. 2000 d. 2600
b. 1600
If a cylinder weighs 25kg on land and 15kg when submerged in water, what is the cylinder's specific gravity? a. 1 b. 2.5 c. 10 d. 15
b. 2.5
A worker was exposed to the following levels of stuff during the eight-hour shift. What is the eight-hour time weighted average? 1 hour @ 350ppm, 3 hours @ 200ppm, 4 hours @ 150ppm a. 100ppm b. 200ppm c. 300ppm d. 400ppm
b. 200ppm
A 50lbs box is pushed on a level floor surface with a coefficient of friction (u) value of 0.5. What force is required to overcome static friction? a. 10lbs b. 25lbs c. 50 lbs d. 250 lbs
b. 25 lbs.
When constructing stairs for industrial applications, the angle of the stairs with the adjacent floor should range between- a. 10-30° b. 30-50° c. 50-70° d. 70-90°
b. 30-50°
Which of the following extinguishing agents would be appropriate for a ABC class fire hazard? a. Potassium bicarbonate based (interrupts chemical reaction) b. Monoammonium phosphate (interrupts chemical reaction) c. AFFF (Aqueous Film Forming Foam which reduces vaporization) d. Carbon dioxide (displaces O2 and leaves no residue)
b. Monoammonium phosphate (interrupts chemical reaction)
H2SO4+2NaOH -> a. H2SO8+NaOH2 b. Na2SO4+2H2O c. NaSO+H2O d. 2H2SO4+NaOH
b. Na2SO4+2H2O
Which of the following describes mutagen? a. an agent that can cause malformations of an embryo or fetus. this can be a chemical substance, a virus or ionizing radiation. b. a substance or agent that causes an increase in the rate of change in genes subsections of the DNA of the body's cells. sometimes passed along as the cell reproduces, sometimes leading to defective cells or cancer c. any substance or radiation that promotes cancer formation. chemical agents may be natural or synthetic, toxic or non-toxic that prevent normal cell death (apoptosis) from occuring so cellular division is uncontrolled and results in a tumor d. a substance or agent that can poison or cause degenerative effects on a developing embryo.
b. a substance or agent that causes an increase in the rate of change in genes subsections of the DNA of the body's cells. sometimes passed along as the cell reproduces, sometimes leading to defective cells or cancer
Dangerous moving parts in three basic areas require safeguarding. Which of the following describes power transmission apparatus? a. the point where work is performed on the material, such as cutting, shaping, boring, or forming of stock. b. all components of the mechanical system which transmit energy to the part of the machine performing the work. these components include flywheels, pulleys, belts, connecting rods, couplings, cams, spindles, chains, cranks, and gears. c. all parts of the machine which move while the machine is working. these can include reciprocating, rotating, and transverse moving parts, as well as feed mechanisms and auxiliary parts of the machine. d. where the equipment is attached to it's power source.
b. all components of the mechanical system which transmit energy to the part of the machine performing the work. these components include flywheels, pulleys, belts, connecting rods, couplings, cams, spindles, chains, cranks, and gears.
A dry pipe sprinkler: a. contains pressurized water all of the time b. contains a pressurized gas in the piping above ground level and is used where freezing is a concern c. is a non-pressurized (flat) system with a water supply valve activated by a detection device and is used where water damage is a concern d. has ope sprinkler heads with a water supply valve activated by a detection device and which provides copious amounts of water
b. contains a pressurized gas in the piping above ground level and is used where freezing is a concern
A TLV (Threshold Limit Value) is- a. the level of the concentration of a contaminant in air that should never be exceeded b. determinations made by voluntary body of independent knowledgeable individuals (ACGIH) that represent the opinion of the scientific community that has reviewed the data described that exposure at or below the level does not create an unreasonable risk of disease or injury c. the maximum concentration permitted for a continuous 15min exposure period. there may be a maximum of four such periods per day, with at least 60 minutes between exposure periods, and provided the daily TLV-TWA is not exceeded d. eight-hour time weighted averages (TWA) unless otherwise indicated enforced by OSHA.
b. determinations made by voluntary body of independent knowledgeable individuals (ACGIH) that represent the opinion of the scientific community that has reviewed the data described that exposure at or below the level does not create an unreasonable risk of disease or injury
A random sample is one where: a. items from a population are grouped by a similar characteristic and the sample group is selected randomly b. each item from a population has an equal probability of being selected c. items from a population are grouped by similar characteristics and the sample is obtained by randomly selecting within the groups d. items from a population are selected based on factors such as time or location/position
b. each item from a population has equal probability of being selected
Which statement about scaffolds is incorrect? a. each scaffold and scaffold component must support without failure its own weight and at least four times the maximum intended load applied or transmitted to it. b. each scaffold platform and walkway must be at least 24 inches (61cm) wide. when the work area is less than 24 inches (61cm) wide, guardrails and/or personal fall arrest systems must be used. c. all employees must be trained by a qualified person to recognize the hazards associated w. the type of scaffold being used and how to control or minimize those hazards. the training must include fall hazards, falling object hazards, electrical hazards, proper use of the scaffold, and handling of materials. d. when lanyards are connected to horizontal lifelines or structural members on single-point or two-point adjustable scaffolds, the scaffold must have additional independent support lines equal in number and strength to the suspension lines and have automatic locking devices.
b. each scaffold platform and walkway must be at least 24 inches (61cm) wide. when the work area is less than 24 inches (61cm) wide, guardrails and/or personal fall arrest systems must be used
In order to increase the static pressure in a properly designed exhaust ventilation system, the preferred method is a. decrease duct diameter b. increase velocity of fan c. decrease velocity d. install additional baffles
b. increase velocity of fan
95th percentile ranking means that equipment/person: a. performed at a level two standard deviations above the mean b. is faster/stronger/smarter/etc. than 95 percent of the population c. is stronger/smarter/etc. than 5 percent of the population d. is located in a data pool that includes all data points except for the top and bottom 2.5 percent of the population
b. is faster/stronger/smarter/etc. than 95 percent of the population
Fumes can be described as- a. liquid droplets or solid particles dispersed in air that are fine enough particles to remain disperse in air for prolonged periods b. particles formed when the material from a volatized solid condenses in cold air (metal fume fever) c. suspended liquid droplets generated by condensation from the gaseous to the liquid state or by breaking up a liquid into dispersed state d. gaseous form of a substances that are normally in a solid or liquid state at normal temperature & pressure (NTP).
b. particles formed when the material from a volatized solid condenses in cold air (metal fume fever)
a confine space written program (either permit-required confined space or non-permit confined space) should address all of the following: preventing unauthorized entry, identifying permit space hazards, developing safe entry practices, maintaining and using equipment properly, testing for acceptable entry conditions, providing permit space attendants a. providing an on-site ambulance for permit-required confined spaces b. providing emergency retrieval systems c. monitoring employees via camera when not in a direct line of sight. d. providing a ventilation fan when the WBGT exceeds 30C
b. providing emergency retrieval systems
When evaluating a job, there are three main characteristics known as ergonomic stressors: the force required to complete a task, any awkward or static working postures adopted in completing a task, and: a. duration of the task b. repetitiveness of a task c. climate of the task d. whether the task is performed individually or assistance of a coworker is available
b. repetitiveness of a task
The action level of a contaminant is- a. an exposure to airborne contaminants that is likely to cause death or immediate or delayed permanent adverse health effects or prevent escape from such an environment b. the concentration of a harmful chemical (or something else that can cause harm at work, such as noise) at which the employer must take some action to mitigate the risk of that exposure (medical/IH monitoring, provide PPE). c. the amount of the substance required (usually per body weight) to kill 50% of the test population of a specific test animal d. measure of the toxicity of the surrounding medium that will kill 50% of the sample population of a specific test-animal in a specified period through exposure via inhalation (respiration)
b. the concentration of a harmful chemical (or something else that can cause harm at work, such as noise) at which the employer must take some action to mitigate the risk of that exposure (medical/IH monitoring, provide PPE).
The number of separate and distinct exit(s) required in a hotel meeting room with 55 students preparing for the BCSPs ASP exam is- a. one b. two c. three d. four
b. two
In your PhD graduate school science class you learned that heat is transferred three different ways. Which of the following describes convection? a. no mass is exchanged and no medium is required. b. when warmer areas of a liquid or gas rise to cooler areas in the liquid or gas c. the transfer of heat between substances that are in direct contact with each other d. an extensive fire that destroys a great deal of land or property
b. when warmer areas of a liquid or gas rise to cooler areas in the liquid or gas
How long can an employee be exposed to continuous noise levels of 94 dB if the maximum allowable level for an 8-hour day is 85 dB? a. 15 minutes b. 30 minutes c. 1 hour d. 2 hours
c. 1 hour
If you have four machines operating in an area with dB levels of 90, 95, 93, & 100, what is the combined sound pressure level? a. 90 dBA b. 100 dBA c. 102 dBA d. 109 dBA
c. 102 dBA
At what height does a scaffold platform require a standard railing? a. 4ft b. 6ft c. 10ft d. 15ft
c. 10ft
A container (0.5L) of benzene breaks in a sealed 10mx10mx10m room. What concentration would be expected in the room if benzene has a specific gravity of 0.88 a molecular weight of 78, and the air temperature is 25C? a. 50ppm b. 110ppm c. 140ppm d. 210ppm
c. 140ppm
What is the distance a 10lbs. object would fall in three seconds? a. 45ft. b. 90 ft. c. 145 ft. d. 190 ft.
c. 145 ft.
What is the recommended allocation in a cycle of work and recovery for an employee working outdoors shoveling wet sand and the following temperature readings? (natural wet bulb 26C, globe 31C, dry bulb 28C) a. 75-100% b. 50-75% c. 25-50% d. 0-25%
c. 25-50%
An employee is exposed to the following noise levels: 85dB for 2 hours 88dB for 6 hours 91dB for 2 hours Based on a reference standard for noise of 85dB for an 8 hour day (assuming 3dB doubling), what is the dose percent and TWA for this employee? a. 210% 82dB b. 210% 87dB c. 275% 89dB d. 275% 92dB
c. 275% 89dB
A tank with a height of 10ft. and a diameter 30ft. is filled with a mixture of two liquids. One liquid is benzene (sg of 0.88) and the other liquid is gasoline (sg of 0.74). If benzene is 25% of the mixture by volume, the pressure at the bottom of the tank is - a. 1.15psi b. 2.25psi c. 3.35psi d. 4.45psi
c. 3.35psi
A high-rise building (a building where the floor of an occupied story is greater than 75ft (23m) above the lowest level of fire department vehicle access) should have a Emergency Action Plan (EAP) to provide occupant safety from fire and other emergencies. This plan should be reviewed and updated every: a. year b. 3 years c. 5 years d. 10 years
c. 5 years
What is the mass of nitrogen (N2) in a 50 liter cylinder @ 10,000 kPa at room temperature 25C? a. 1kg b. 3kg c. 6kg d. 11kg
c. 6kg
A secondary containment structure contains three tanks (one w. 15m diameter and two w. 10m diameters). If the inside dimensions of the perimeter concrete dike are 20m x 40m x 1.5m, the capacity available to contain the contents of the largest tank is- a. 760m3 b. 865m3 c. 965m3 d. 1065m3
c. 965m3
Article 500 of the NEC (NFPA 70) defines Class and Divisions requirements for electrical equipment used in locations where fire or explosion hazards may exist due to flammable gases or vapors, flammable liquids, combustible dust, or ignitable fibers or flyings. Which is not a Class 1, Division 1 hazard? a. Open vat of flammable liquid b. Tank of flammable liquid opened frequently c. A closed-loop system of flammable liquids d. A dip tank of flammable cleaning solvent
c. A closed-loop system of flammable liquids
Kerosene has a flash point (the lowest temperature at which the vapor of a combustible liquid can be made to ignite momentarily in air) of 46-71C and a boiling point of 134-294C. According to GHS this is a - flammable liquid. a. Category 1 b. Category 2 c. Category 3 d. Category 4
c. Category 3
An exposure to benzene vapors impacts the human body by: a. the formation of carboxyhemoglobin in the blood, which inhibits oxygen intake (chemical asphxiation) b. affecting respiratory function in higher concentrations and causing excitation followed by depression of the central nervous system and displacing oxygen in the are (simple asphyxiation) c. damaging bone marrow and causing a decrease in the number of red blood cells, causing anemia; excessive bleeding and damage to the immune system damages the body's ability to make healthy white blood cells d. causing health effects when inhaled as a vapor where it can be absorbed through the lungs. symptoms of prolonged and/or acute exposures include: tremors, emotional changes (such as mood swings, irritability, nervousness, excessive shyness), insomnia, neuromuscular changes (such as weakness, muscle atrophy, twitching), headaches, disturbances in sensations, changes in nerve responses, poor performance on tests of mental function. higher exposures may also cause kidney effects, respiratory failure and death
c. damaging bone marrow and causing a decrease in the number of red blood cells, causing anemia; excessive bleeding and damage to the immune system damages the body's ability to make healthy white blood cells
The middle layer of the skin filled with blood vessels and nerve fibers is the: a. epidermis b. dermatoglyphics c. dermis d. subcutaneous
c. dermis
Which route of entry of contaminants is of greatest concern in the majority of work environments? a. absorption b. injection c. inhalation d. ingestion
c. inhalation
Which of the following is not correct regarding portable fire extinguishers? a. visual inspections are required monthly b. maintenance checks are required annually c. pressurized dry chemical extinguishers are required to be hydrostatically tested every 10 years d. the maximum travel distance for class A extinguishers is 75ft. and 50ft. for class B
c. pressurized dry chemical extinguishers are required to be hydrostatically tested every 10 years
Miner's asthma, grinder's consumption, potter's rot, and stonemason's disease are associated with: a. microwaves (infared) and ionizing radiation, naphthalene, and dinitrophenyl causing progressive, painless loss of vision b. aerobic airborne bacteria (produces high fever and pneumonia) that thrives in warm water environments and was first discovered in Philadelphia in 1976 c. sandblasters, quarrymen, and ceramic industry personnel with exposure to the crystalline form of free silica particulates. d. bacteria which occurs worldwide but is more common in hot, damp climates with soil rich in organic material, found in animal feces.
c. sandblasters, quarrymen, and ceramic industry personnel with exposure to the crystalline form of free silica particulates.
Misuse of hand tools results in employee injuries. Which handtool misuse causes the most injuries? a. pliers b. hammer c. screwdriver d. calculator
c. screwdriver
When using clips to make an eye in a 1/2 inch wire rope, you should use: a. two U-bolts b. a half-nelson loop c. three clips w. the U-bolts on the dead end d. three clips w. the U-bolts on the live end
c. three clips w. the U-bolts on the dead end
OSHA has estimated that 70% of forklift incidents can be prevented by having qualified and trained operators. Refresher training in relevant topics shall be provided to the operator when: the operator has been observed to operate the vehicle in an unsafe manner; the operator has been involved in an accident or near-miss incident; the operator has received an evaluation that reveals that the operator is not operating the truck safely; the operator is assigned to drive a different type of truck; or a condition in the workplace changes in a manner that could affect safe operation of the truck. An evaluation of each powered industrial truck operator's performance shall be conducted at leave once every: a. six months b. other year c. three years d. five years
c. three years
The two shock protection boundaries are based exclusively on the - of the equipment and can be found in a set of tables in NFPA 70E. AC systems are covered in Table 130.4(D)(a), and DC systems are covered in Table 130.4(D)(b). a. amperage b. resistance c. voltage d. capacitance
c. voltage
Which of the following does not sound like an ergonomic recommendation for a computer workstation? a. put monitor directly in front of you and at least 20 inches away. b. place monitor so too line of screen is at or below eye level (downward angle of 15° to center of monitor) c. place monitor perpendicular to window d. install cup holders for mixed drinks/beer on both the left and right side of the workstation.
d. install cup holders for mixed drinks/beer on both the left and right side of the workstation
Which of the following is considered to be the primary negative of job rotation? a. employee resistance to multiple job assignments b. increased training requirements due to multiple functions c. loss of efficiency when employees are not at their optimum performance station d. job rotation alone does not change the risk factors present in the workplace, it only distributes the risk factors more evenly across a larger group of people
d. job rotation alone does not change the risk factors present in the workplace, it only distributes the risk factors more evenly across a larger group of people
Which statement is incorrect as it pertains to the periodic table? a. the table has seven rows and 18 columns. each row represents on period; the period number of an element indicates how many of its energy levels house electrons. b. the columns of the table represent groups, or families, of elements. the elements in a group often look and behave similarly, because they have the same number of electrons in their outermost shell. c. elements are typically classified as either a metal or nonmetal, but the dividing line between the two is fuzzy. metal elements are usually good conductors of electricity and heat. the subgroups within the metals are based on the similar characteristics and chemical properties of these collections. d. metals are on the right and non-metals on the left.
d. metals are on the right and non-metals on the left.
A GFCI (Ground Fault Circuit Interrupter) is a device which: a. stores energy that is not drained immediately when the electricity is turned off and presents the hazard of latent voltage b. converts AC voltage to DC c. serves as a ground for leakage current d. monitors for an imbalance in current levels between the hot and neutral and trips the circuit @ 4-6 milliamps.
d. monitors for an imbalance in current levels between the hot and neutral and trips the circuit @ 4-6 milliamps.
If a trench is being dug for employees to service a pipeline buried 10-15ft under the ground surface, what precautions should be taken to protect the workers from a cave-in? a. fill the trench with water b. limit employees in the trench to two at one time. c. train employees in first-aid and CPR and provide lifelines d. slope the sides to an appropriate angle based on soil type and conditions or provide a trench box.
d. slope the sides to an appropriate angle based on soil type and conditions or provide a trench box
Which of the following is considered the preferred industrial hygiene control method: a. alteration of the process to isolate the worker from toxic chemicals b. local exhaust or general dilution ventilation c. protective equipment (respirators) d. substitution with a safer chemical
d. substitution with a safer chemical
NFPA 101 defines a means of egress as a continuous and unobstructed path of exit travel from any point within a workplace to a place of safety (including refuge areas). A means of egress consists of three parts: the exit access, the exit, and a. the width of aisles b. the number of doors c. the exit stairs d. the exit discharge to a public way
d. the exit discharge to a public way
Which of the following statements pertaining to gas laws is incorrect? a. if a temperature remains constant, decrease volume will increase pressure b. if pressure remains constant, volume is proportional with absolute temperature c. if the volume remains constant, pressure is proportional to the absolute temperature of the gas d. the volume is inversely proportional to the number of moles (or molecules) present in a container.
d. the volume is inversely proportional to the number of moles (or molecules) present in a container.
open sprinkler heads with a water supply valve activated by a detection device and which provides copious amounts of water
deluge
Which four basic security concepts should be included in a typical sound security system?
deter, detect, delay, respond
Which are the three basic methods used to conduct health and safety program audits?
document review, employee interviews, and site conditions
contains a pressurized gas in the piping above ground level and is used where freezing is a concern
dry-pipe
Which are the three causal factors of an incident according to William C. Pope?
error, defect, oversight
Which is a common element of professional ethics across the safety, health, and environmental profession, regardless of specialty area?
individual professional competency
The Behavior Theory is often referred to as behavior-based safety. Which is one of the principles of the Behavior Theory?
intervention
non-pressurized (flat) system with a water supply valve activated by a detection device and is used where water damage is a concern
pre-action
Which are the five levels of Kirkpatrick's training evaluation method?
reaction, learning, behavior, results, and return on investment
Which constitutes a MAJOR business risk for an organization?
the possibility of new regulations for the product
Contains pressurized water all of the time
wet-pipe