HAZMAT OPERATIONS TEST EXAM
QUESTIONS WITH VERIFIED
ANSWERS. A+ GRADE 2025/2026.
Adsorption is the process of: - ANS Adhering the contaminant to a surface
A tank carrier designed to haul various chemicals whose pressures are less than 40 PSI would be
a: - ANS MC 306/DOT 406
The immediate concern when dealing with combustible liquid spills is to: - ANS 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. - ANS Level B
Chemical Transportation Emergency Center (CHEMTREC) is able to provide assistance to
responders if: - ANS The name of the shipper and manufacturer is known
Determining whether a vapor will rise or fall is commonly referred to as: - ANS Vapor Density
The maximum hose length allowed by NIOSH when using an airline hose respirator is ______
feet. - ANS 300
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
, If a product with a vapor density of 1.6 escaped from its container, you would expect the
product to: - ANS Collect in low-lying areas
Which resources are available for determining the concentrations of a released hazardous
material in an endangered area? - ANS Monitoring equipment should be utilized, keeping in
mind that Haz-Mat technicians are needed to operate this equipment.
Chemicals that ignite when combined create a(n) __________ reaction. - ANS Exothermic
The eight-step process recommended for assessing a hazardous materials incident includes: -
ANS Hazard and Risk evaluation
What would be the likely result of allowing a contaminated individual to leave the hot zone
without being decontaminated? - ANS 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. - ANS 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: -
ANS Auto-ignition Temperature
Which DOT Hazard Class covers nerve agents used in chemical warfare? - ANS DOT 6.1
At a hazardous materials incident, the assistant safety officer directly reports to the: -
ANS Safety Officer
Symptoms of heat ______ include little or no sweating; hot, dry, red skin, deep then shallow
breathing; and rapid pulse. - ANS Stroke
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
QUESTIONS WITH VERIFIED
ANSWERS. A+ GRADE 2025/2026.
Adsorption is the process of: - ANS Adhering the contaminant to a surface
A tank carrier designed to haul various chemicals whose pressures are less than 40 PSI would be
a: - ANS MC 306/DOT 406
The immediate concern when dealing with combustible liquid spills is to: - ANS 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. - ANS Level B
Chemical Transportation Emergency Center (CHEMTREC) is able to provide assistance to
responders if: - ANS The name of the shipper and manufacturer is known
Determining whether a vapor will rise or fall is commonly referred to as: - ANS Vapor Density
The maximum hose length allowed by NIOSH when using an airline hose respirator is ______
feet. - ANS 300
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
, If a product with a vapor density of 1.6 escaped from its container, you would expect the
product to: - ANS Collect in low-lying areas
Which resources are available for determining the concentrations of a released hazardous
material in an endangered area? - ANS Monitoring equipment should be utilized, keeping in
mind that Haz-Mat technicians are needed to operate this equipment.
Chemicals that ignite when combined create a(n) __________ reaction. - ANS Exothermic
The eight-step process recommended for assessing a hazardous materials incident includes: -
ANS Hazard and Risk evaluation
What would be the likely result of allowing a contaminated individual to leave the hot zone
without being decontaminated? - ANS 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. - ANS 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: -
ANS Auto-ignition Temperature
Which DOT Hazard Class covers nerve agents used in chemical warfare? - ANS DOT 6.1
At a hazardous materials incident, the assistant safety officer directly reports to the: -
ANS Safety Officer
Symptoms of heat ______ include little or no sweating; hot, dry, red skin, deep then shallow
breathing; and rapid pulse. - ANS Stroke
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
