Hazmat ops PA state test
Defensive
Core competencies of operations level hazardous materials/WMD responders are:
non-bulk
Drums, bags, and carboys are examples of ________ containers.
from upwind and upgrade
When choosing a route along which to respond to a reported hazardous materials incident, how should the approach be planned?
Orange bordered pages
Where in the ERGcan you find evacuation distances for small spills or fires?
472
Which NFPA standard addresses competencies for hazardous materials/WMD responders?
Hot
Which control zone immediately surrounds the contaminated area?
Rain down method
Which foam application method is the least effective when burning fuel is producing a strong thermal column?
Roll-in method
Which foam application method would be most effective if a pool of liquid fuel is ignited in the middle of an open field?
Mass
Which form of decontamination typically consists of removing contaminated clothing and dousing the victim with large volumes of water?
Decontamination corridor
Which function should occur in the warm zone?
Safety Data Sheet (SDS)
Which is a detailed profile of a chemical or chemical mixture provided by the manufacturer?
Level A
Which level of protective equipment is required when working with highly toxic vapors?
The physical state and characteristics of the material
Which of the following is a critical factor in determining the appropriate level of PPE?
Alpha
Which of the following is a type of radiation?
Rounded ends
Which of the following is an identifying characteristic of pressurized horizontal tanks?
recorvery
Which phase of a hazardous materials incident begins when the imminent danger to people, property, and the environment is controlled and clean-up begins?
Safety Officer (SO)
Which position is responsible for monitoring activities to ensure the safety of personnel
Dilution
Which protective action uses water or another liquid to reduce the concentration of a hazardous material?
technician
Which responder level is trained to enter heavily contaminated areas for the purpose of stopping a hazardous materials release?
Vapor dispersion
Which tactic lowers the concentration of a vapor cloud by spreading it out?
permeation
Which term describes when a chemical passes through a material on a molecular level?
Hazmat materials
Which term refers to a material capable of posing an unreasonable risk to health, safety, or the environment?
contaminant
Which term refers to the residue of a chemical that has been released and has come into contact with people, the environment, and animals?
Supplied-air respirator (SAR)
Which type of breathing apparatus is equipped with an escape cylinder?
Underflow
Which type of dam is used to contain materials lighter than water?
Level A
A fully encapsulated suit is part of Level _____ protective clothing.
It will sink in air
What does it mean if a substance's vapor density is 2.3?
Health hazard
What does the blue diamond on the NFPA 704 symbol indicate?
Flammable
What does the red diamond on the NFPA 704 symbol indicate
Special symbols
What does the white diamond on the NFPA 704 symbol indicate?
Reactivity
What does the yellow diamond on the NFPA 704 symbol indicate?
DOT
What federal agency enforces and publicizes laws and regulations governing transportation of goods?
Initial actions to take at a hazardous materials incident
What information does the ERG provide to hazardous materials responders?
Standard work clothing
What is Level D protection?
Class 1
What is the Department of Transportation's hazard class for explosives?
Class 3
What is the Department of Transportation's hazard class for flammable liquids?
Class 6
What is the Department of Transportation's hazard class for toxic substances?
HAZWOPER
What is the acronym for the OSHA federal document containing hazardous materials response competencies?
Penetration
What is the process by which a hazardous chemical flows through closures, seams, or pinholes in a material?
ingestion
What is the process by which chemicals enter the body through the gastrointestinal tract?
Absorption
What is the process by which hazardous materials enter the body by permeating the skin?
Inhalation
What is the process by which toxic substances are brought into the body through the respiratory system?
Structural stability
What is the purpose of the rings around an MC-312 corrosives tanker?
diking
What is the technique of redirecting the flow of a liquid away from an area?
self-sustaining temp
What is the temperature at which a flammable liquid will ignite without the need for an external ignition source?
Boiling point
What is the temperature at which a liquid continuously gives off vapors?
Ignition Temperature
What is the temperature at which a liquid fuel gives off sufficient vapor such that when an ignition source is present the vapors will ignite?
fire point
What is the temperature at which sustained combustion will occur?
BLEVE
What is the term for a catastrophic failure of a pressurized cylinder of liquid?
Hazardous material
What is the term for any material that poses an unreasonable risk to human health, safety, or the environment?
waybill
What is the term for shipping documentation carried on railroad transportation?
Bill of ladding
What is the term for shipping documentation carried on road and highway transportation vehicles?
Water solubility
What is the term for the ability of a substance to dissolve in water?
Vapor pressure
What is the term for the pressure exerted by the vapor of a liquid until the vapor and the liquid are in equilibrium?
injection
What is the term for the process by which chemicals are brought into the body through an open cut?
pH
What is used as a measurement of the corrosive strength of a substance?
carboys
What kind of container holds from 5 to 15 gallons of corrosive liquid?
awareness
What level of hazardous materials training enables first responders to recognize a potential hazardous materials emergency, protect themselves, isolate the area, and call for assistance?
4H MEDIC ANNA
What mnemonic helps fire fighters remember a set of lighter-than-air gases?
Radiation
What term refers to the process in which unstable atoms of an element decay to a different state and emit excess energy in the form of particles or waves?
Float on top
What will a liquid with a specific gravity of 0.7 do in water?
2ndary contamination
A contaminated person or object contaminating someone else, such as a rescuer
Chronic
A person develops asbestosis after repeated exposures to asbestos over 20 years. This is an example of what kind of health effect?
Chemical
A(n) ________ change occurs when a chemical undergoes a change at the molecular level, usually with a release of some form of energy.
na
Aqueous film-forming foamworks primarily by:
Establishing a perimeter around the incident and controlling access
As it applies to hazardous materials response, what does the term "isolation" mean?
n/a
At a hazardous materials incident, what are the hot, warm, and cold zones?
Bungs
Closed-head drums have a permanently attached lid with one or more small openings. What are these small openings called?
Physical
What type of changes can chemicals undergo when subjected to outside influences, such as heat, cold, and pressure?
Overfill
What type of dam should be constructed for a material that has a specific gravity greater than 1?
na
How large must the capacity of a liquid storage container be to qualify as a bulk storage container?
Absorption
In which process is a material used to soak up and hold a liquid hazardous material like a sponge holds water?
Type A
What type of radiation packaging provides the least protection?
Emergency contact number (ECN)
Pipeline warning signs include a warning symbol, the pipeline owner's name, and a(n):
Evaluation
Relocation of people who are threatened by a potential hazard is called:
Confinement
What are actions that stop a hazardous material from leaking or escaping its container?
confinement
What are actions that stop a hazardous material from leaking or escaping its container?
Its weight relative to air
What characteristic of a gas is quantified as its vapor density
Cryogenic liquids
What do Dewar containers hold?
it is being transported.
The DOT defines a hazardous material as one that poses an unreasonable risk when:
Physical
The measurable characteristics of a chemical are called __________ properties.
Exhaustion
Weakness, dizziness, and sweating are typical of heat:
Compressed gas
What do tube trailers carry?
retention
You have dug a shallow pit to collect and hold a hazardous liquid. Which control tactic is this?
specific gravity
__ is to liquids as vapor density is to gases.
State of matter
_______ identify(ies) the hazard as a liquid, solid, or gas.
manifest
shipping document carried on a marine vessel