Hazmat ops PA state test

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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


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