Hazmat technician Exam Questions and Answers
100% Pass
During pre incident emergency pipeline planning,what can greatly assist the hazmat technician level
responder checking for gas migration? - ✔✔Maps
All of the following are capabilities of limitations of an oxygen meter except - ✔✔Does not indicate gas
toxicity
What supervisor makes recommendations concerning control activities in the hot zone? - ✔✔Entry officer
When maintaining records for chemical protective clothing what three areas should you be documenting?
- ✔✔Use,repair,and tests
All of the following are safety considerations for the wear of an air purifying respirator except - ✔✔The
respirator is to be used in an IDLH environment
The level of decontamination of extreme hazards is - ✔✔Level C
What percentage of oxygen indicates a deficient environment - ✔✔A concentration below 19.5%
The most complex 55 gallon drum leak to control is - ✔✔The forklift puncture
The technique that pulls vapors from the receiving tank, compresses them, and forces them in the
damaged tank is called - ✔✔Vapor compressor
The pressure transfer method that uses nitrogen or carbon dioxide to move the contents - ✔✔Compressed
air
PTO power take off pumps can be used with which group of cargo tanks - ✔✔306 & 407
Page 1/9
Crafted for Academic Insight by KatelynWhitman. All rights reserved © 2025
, What method of decontamination is not as effective on porous surfaces and could take a long time to
completely remove the chemical - ✔✔Evaporation
The evaporation of a flammable liquid spill is an example of which method of decontamination -
✔✔Chemical degradation
When using this form of decontamination the run off must be collected and disposed of properly -
✔✔Dilution
The limitation of what form of decontamination produces heat and can cause spontaneous combustion -
✔✔Adsorption
What is the chemical method of decon that involves the interaction of a hazardous liquid and a solid
sorbent surface - ✔✔Adsorption
Which of the following is a limitation of using the decon method of vacuuming - ✔✔May require
specialized equipment
At a hazardous materials incident,responders apply a special formulation to an acid to form a neutral
salt,this is an example of - ✔✔Neutralization
This is the temperature that organic peroxides should be stored to insure that they do not reach self
accelerating temperatures - ✔✔Maximum safe storage temperature
The minimum temperature at which a material gives off vapor in sufficient concentration to form an
ignitable mixture with air but will not continue to burn is - ✔✔Flash point
What term refers to the concentration of hydrogen ions in the material being tested - ✔✔Inhibitor
What is the term that means the weight of a given vapor as compared with an equal volume of air having
a value of 1.0 - ✔✔Vapor density
Page 2/9
Crafted for Academic Insight by KatelynWhitman. All rights reserved © 2025
100% Pass
During pre incident emergency pipeline planning,what can greatly assist the hazmat technician level
responder checking for gas migration? - ✔✔Maps
All of the following are capabilities of limitations of an oxygen meter except - ✔✔Does not indicate gas
toxicity
What supervisor makes recommendations concerning control activities in the hot zone? - ✔✔Entry officer
When maintaining records for chemical protective clothing what three areas should you be documenting?
- ✔✔Use,repair,and tests
All of the following are safety considerations for the wear of an air purifying respirator except - ✔✔The
respirator is to be used in an IDLH environment
The level of decontamination of extreme hazards is - ✔✔Level C
What percentage of oxygen indicates a deficient environment - ✔✔A concentration below 19.5%
The most complex 55 gallon drum leak to control is - ✔✔The forklift puncture
The technique that pulls vapors from the receiving tank, compresses them, and forces them in the
damaged tank is called - ✔✔Vapor compressor
The pressure transfer method that uses nitrogen or carbon dioxide to move the contents - ✔✔Compressed
air
PTO power take off pumps can be used with which group of cargo tanks - ✔✔306 & 407
Page 1/9
Crafted for Academic Insight by KatelynWhitman. All rights reserved © 2025
, What method of decontamination is not as effective on porous surfaces and could take a long time to
completely remove the chemical - ✔✔Evaporation
The evaporation of a flammable liquid spill is an example of which method of decontamination -
✔✔Chemical degradation
When using this form of decontamination the run off must be collected and disposed of properly -
✔✔Dilution
The limitation of what form of decontamination produces heat and can cause spontaneous combustion -
✔✔Adsorption
What is the chemical method of decon that involves the interaction of a hazardous liquid and a solid
sorbent surface - ✔✔Adsorption
Which of the following is a limitation of using the decon method of vacuuming - ✔✔May require
specialized equipment
At a hazardous materials incident,responders apply a special formulation to an acid to form a neutral
salt,this is an example of - ✔✔Neutralization
This is the temperature that organic peroxides should be stored to insure that they do not reach self
accelerating temperatures - ✔✔Maximum safe storage temperature
The minimum temperature at which a material gives off vapor in sufficient concentration to form an
ignitable mixture with air but will not continue to burn is - ✔✔Flash point
What term refers to the concentration of hydrogen ions in the material being tested - ✔✔Inhibitor
What is the term that means the weight of a given vapor as compared with an equal volume of air having
a value of 1.0 - ✔✔Vapor density
Page 2/9
Crafted for Academic Insight by KatelynWhitman. All rights reserved © 2025
