HAZMAT TECH EXAM I-II 80 QUESTIONS &
CORRECT ANSWERS LATEST 2025
Chemical methods of decontamination generally involve the removing of the
contaminant through some type of chemical process. Which of the following is
not an example of a chemical method of decontamination? - ANSWER-
Disinfection or sterilization
In assessing an incident, the basic objectives that should be considered are: -
ANSWER-*Responder safety
*Public Safety
*Enviorment
A tube trailer that carries oxygen, nitrogen, or hydrogen, (to list a few), would be
considered a _______ carrier. - ANSWER-Compressed-gas
What is the general maximum capacity of a MC 312/DOT 412 cargo tank? -
ANSWER-6,000 gal
With a 76% reading of benzene on a direct-read meter calibrated to methane
and a conversion factor of 1.0, the concentration of benzene is _____________ of
LEL. - ANSWER-76&
Monitoring devices designed to measure the concentration of specific identified
gases and vapors in the atmosphere are: - ANSWER-Colorimetric
, Colorimetric tubes are designed to read one specific gas. When more than one
substance is present, the results may be inaccurate because of: - ANSWER-
Interference
Operating filaments of the Combustible Gas Indicator (CGI) can be damaged
by brief exposure to: - ANSWER-Organic silicone
Another name for a combustible gas indicator is: - ANSWER-Explosive meter
A(n) _________________will be typically inaccurate when used in oxygen
deficient atmospheres. - ANSWER-Combustible gas indicator
Using a pH meter, readings of less than_______or more than _______________
are cause for extreme caution. - ANSWER-2,12.5
Monitoring for flammable atmospheres can best be accomplished using a(n): -
ANSWER-combustible gas indicator
The products that high-pressure tanks typically hold are: - ANSWER-Vinyl chloride
LP gases
A responder to a hazardous materials incident would use
_____________________ to detect the presence of an alkali. - ANSWER-PH
indicators
CORRECT ANSWERS LATEST 2025
Chemical methods of decontamination generally involve the removing of the
contaminant through some type of chemical process. Which of the following is
not an example of a chemical method of decontamination? - ANSWER-
Disinfection or sterilization
In assessing an incident, the basic objectives that should be considered are: -
ANSWER-*Responder safety
*Public Safety
*Enviorment
A tube trailer that carries oxygen, nitrogen, or hydrogen, (to list a few), would be
considered a _______ carrier. - ANSWER-Compressed-gas
What is the general maximum capacity of a MC 312/DOT 412 cargo tank? -
ANSWER-6,000 gal
With a 76% reading of benzene on a direct-read meter calibrated to methane
and a conversion factor of 1.0, the concentration of benzene is _____________ of
LEL. - ANSWER-76&
Monitoring devices designed to measure the concentration of specific identified
gases and vapors in the atmosphere are: - ANSWER-Colorimetric
, Colorimetric tubes are designed to read one specific gas. When more than one
substance is present, the results may be inaccurate because of: - ANSWER-
Interference
Operating filaments of the Combustible Gas Indicator (CGI) can be damaged
by brief exposure to: - ANSWER-Organic silicone
Another name for a combustible gas indicator is: - ANSWER-Explosive meter
A(n) _________________will be typically inaccurate when used in oxygen
deficient atmospheres. - ANSWER-Combustible gas indicator
Using a pH meter, readings of less than_______or more than _______________
are cause for extreme caution. - ANSWER-2,12.5
Monitoring for flammable atmospheres can best be accomplished using a(n): -
ANSWER-combustible gas indicator
The products that high-pressure tanks typically hold are: - ANSWER-Vinyl chloride
LP gases
A responder to a hazardous materials incident would use
_____________________ to detect the presence of an alkali. - ANSWER-PH
indicators
