Hazmat Operations Test Questions
and Answers 100% Pass
Adsorption is the process of: - ✔✔Adhering the contaminant to a surface
A tank carrier designed to haul various chemicals whose pressures are less than 40 PSI
would be a: - ✔✔MC 306/DOT 406
The immediate concern when dealing with combustible liquid spills is to: - ✔✔Prevent
ignition of the fuel
The highest level of respiratory protection is needed but lesser chemical protection is
required for the skin best describes _______ protection. - ✔✔Level B
Chemical Transportation Emergency Center (CHEMTREC) is able to provide assistance
to responders if: - ✔✔The name of the shipper and manufacturer is known
Determining whether a vapor will rise or fall is commonly referred to as: - ✔✔Vapor
Density
The maximum hose length allowed by NIOSH when using an airline hose respirator is
______ feet. - ✔✔300
If a product with a vapor density of 1.6 escaped from its container, you would expect
the product to: - ✔✔Collect in low-lying areas
Which resources are available for determining the concentrations of a released
hazardous material in an endangered area? - ✔✔Monitoring equipment should be
COPYRIGHT © 2025 BY BRITTIE DONALD, ALL RIGHTS RESERVED 1
, utilized, keeping in mind that Haz-Mat technicians are needed to operate this
equipment.
Chemicals that ignite when combined create a(n) __________ reaction. - ✔✔Exothermic
The eight-step process recommended for assessing a hazardous materials incident
includes: - ✔✔Hazard and Risk evaluation
What would be the likely result of allowing a contaminated individual to leave the hot
zone without being decontaminated? - ✔✔The contaminates would likely be transferred
to other personal and equipment resulting in secondary contamination.
When dealing with a Level III incident, it is expected that evacuation of people will
cover an area of. - ✔✔Large scale evacuation.
The minimum temperature to which a fuel in air must be heated to initiate self-
sustained combustion without initiation from an independent ignition source is best
described as: - ✔✔Auto-ignition Temperature
Which DOT Hazard Class covers nerve agents used in chemical warfare? - ✔✔DOT 6.1
At a hazardous materials incident, the assistant safety officer directly reports to the: -
✔✔Safety Officer
Symptoms of heat ______ include little or no sweating; hot, dry, red skin, deep then
shallow breathing; and rapid pulse. - ✔✔Stroke
To protect against radiological exposures a responder should: - ✔✔Limit the time spent
in a radiation hazard area
A person who is repeatedly exposed to a chemical over a long period of time may
develop - ✔✔Chronic health hazard
COPYRIGHT © 2025 BY BRITTIE DONALD, ALL RIGHTS RESERVED 2
and Answers 100% Pass
Adsorption is the process of: - ✔✔Adhering the contaminant to a surface
A tank carrier designed to haul various chemicals whose pressures are less than 40 PSI
would be a: - ✔✔MC 306/DOT 406
The immediate concern when dealing with combustible liquid spills is to: - ✔✔Prevent
ignition of the fuel
The highest level of respiratory protection is needed but lesser chemical protection is
required for the skin best describes _______ protection. - ✔✔Level B
Chemical Transportation Emergency Center (CHEMTREC) is able to provide assistance
to responders if: - ✔✔The name of the shipper and manufacturer is known
Determining whether a vapor will rise or fall is commonly referred to as: - ✔✔Vapor
Density
The maximum hose length allowed by NIOSH when using an airline hose respirator is
______ feet. - ✔✔300
If a product with a vapor density of 1.6 escaped from its container, you would expect
the product to: - ✔✔Collect in low-lying areas
Which resources are available for determining the concentrations of a released
hazardous material in an endangered area? - ✔✔Monitoring equipment should be
COPYRIGHT © 2025 BY BRITTIE DONALD, ALL RIGHTS RESERVED 1
, utilized, keeping in mind that Haz-Mat technicians are needed to operate this
equipment.
Chemicals that ignite when combined create a(n) __________ reaction. - ✔✔Exothermic
The eight-step process recommended for assessing a hazardous materials incident
includes: - ✔✔Hazard and Risk evaluation
What would be the likely result of allowing a contaminated individual to leave the hot
zone without being decontaminated? - ✔✔The contaminates would likely be transferred
to other personal and equipment resulting in secondary contamination.
When dealing with a Level III incident, it is expected that evacuation of people will
cover an area of. - ✔✔Large scale evacuation.
The minimum temperature to which a fuel in air must be heated to initiate self-
sustained combustion without initiation from an independent ignition source is best
described as: - ✔✔Auto-ignition Temperature
Which DOT Hazard Class covers nerve agents used in chemical warfare? - ✔✔DOT 6.1
At a hazardous materials incident, the assistant safety officer directly reports to the: -
✔✔Safety Officer
Symptoms of heat ______ include little or no sweating; hot, dry, red skin, deep then
shallow breathing; and rapid pulse. - ✔✔Stroke
To protect against radiological exposures a responder should: - ✔✔Limit the time spent
in a radiation hazard area
A person who is repeatedly exposed to a chemical over a long period of time may
develop - ✔✔Chronic health hazard
COPYRIGHT © 2025 BY BRITTIE DONALD, ALL RIGHTS RESERVED 2
