TECH 1 REVIEW LATEST UPDATED
QUESTIONS WITH
CORRECT VERIFIED ANSWERS 2026/2027
LATEST UPDATE
According to the General Hazardous Materials Behavior Model and
given the tree elements of the material, the container and exposure, what
is the common sequence of events that generally occurs at an incident
site? - ✔✔✔ANSWER>>>>Stress, Breach, Release,
Dispersion/Engulfment, Exposure/Contact, and Harm
Affects the form of a chemical substance, but not its chemical
composition - CORRECT ANSWER>>>>Physical Change
At what percentage of oxygen is the atmosphere considered to be
oxygen deficient? - CORRECT
ANSWER>>>>19.5%
At what temperature are cryogenic liquids stored and transported? -
✔✔✔ANSWER>>>>- 1 30 degrees Fahrenheit and below
Page 1 of 17
,Before operating a device, responders should conduct what two (2)
operations? - CORRECT ANSWER>>>>Calibration test, bump test,
and zeroing
Changes that take place on the molecular level -
✔✔✔ANSWER>>>>Chemical change
Chemicals or biological substances that cause sickness, illness, or injury
by doing damage on the molecular scale when in contact with the body.
- ✔✔✔ANSWER>>>>Toxicity
Chemicals that affect reproductive capabilities, including chromosomal
damage (mutations) and effect of fetuses (teratogenesis)? -
✔✔✔ANSWER>>>>Reproductive toxins
Chemicals that damage the nerves that transmit messages to and from
the brain and the rest of the body? - ✔✔✔ANSWER>>>>Peripheral
Nervous System Hazards
Equipment used in detection of biological agents that is designed to
detect specific DNA sequences. - ✔✔✔ANSWER>>>>DNA
Fluoroscopy
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, A concentrated aqueous solution of one or more hydrocarbon and/ or
fluorochemical surfacants that forms foam capable of producing a vapor
suppressing aqueous film on the surface of hydrocarbon fuels -
✔✔✔ANSWER>>>>Aqueous Film Forming Foam (AFFF)
A glass bottle with a protective cover the keep the bottle from breaking
during transport or if the container is dropped -
✔✔✔ANSWER>>>>Carboy
A know volume of contaminated air is pulled at a predetermined rate
though a piece of equipment - ✔✔✔ANSWER>>>>Colorimetric
tubes/detector tubes
A large woven fabric or cloth bag that typically range from 15 to 85
cubic feet and contain from
5 00 to 5000 pounds of material - ✔✔✔ANSWER>>>>Flexible
Containers (Super Sacks)
A material susceptibility to ignition? -
✔✔✔ANSWER>>>>Flammability
A narrow split or break in the container metal that can penetrate though
the metal of the container and may also be caused by fatigue -
✔✔✔ANSWER>>>>Crack
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QUESTIONS WITH
CORRECT VERIFIED ANSWERS 2026/2027
LATEST UPDATE
According to the General Hazardous Materials Behavior Model and
given the tree elements of the material, the container and exposure, what
is the common sequence of events that generally occurs at an incident
site? - ✔✔✔ANSWER>>>>Stress, Breach, Release,
Dispersion/Engulfment, Exposure/Contact, and Harm
Affects the form of a chemical substance, but not its chemical
composition - CORRECT ANSWER>>>>Physical Change
At what percentage of oxygen is the atmosphere considered to be
oxygen deficient? - CORRECT
ANSWER>>>>19.5%
At what temperature are cryogenic liquids stored and transported? -
✔✔✔ANSWER>>>>- 1 30 degrees Fahrenheit and below
Page 1 of 17
,Before operating a device, responders should conduct what two (2)
operations? - CORRECT ANSWER>>>>Calibration test, bump test,
and zeroing
Changes that take place on the molecular level -
✔✔✔ANSWER>>>>Chemical change
Chemicals or biological substances that cause sickness, illness, or injury
by doing damage on the molecular scale when in contact with the body.
- ✔✔✔ANSWER>>>>Toxicity
Chemicals that affect reproductive capabilities, including chromosomal
damage (mutations) and effect of fetuses (teratogenesis)? -
✔✔✔ANSWER>>>>Reproductive toxins
Chemicals that damage the nerves that transmit messages to and from
the brain and the rest of the body? - ✔✔✔ANSWER>>>>Peripheral
Nervous System Hazards
Equipment used in detection of biological agents that is designed to
detect specific DNA sequences. - ✔✔✔ANSWER>>>>DNA
Fluoroscopy
Page 2 of 17
, A concentrated aqueous solution of one or more hydrocarbon and/ or
fluorochemical surfacants that forms foam capable of producing a vapor
suppressing aqueous film on the surface of hydrocarbon fuels -
✔✔✔ANSWER>>>>Aqueous Film Forming Foam (AFFF)
A glass bottle with a protective cover the keep the bottle from breaking
during transport or if the container is dropped -
✔✔✔ANSWER>>>>Carboy
A know volume of contaminated air is pulled at a predetermined rate
though a piece of equipment - ✔✔✔ANSWER>>>>Colorimetric
tubes/detector tubes
A large woven fabric or cloth bag that typically range from 15 to 85
cubic feet and contain from
5 00 to 5000 pounds of material - ✔✔✔ANSWER>>>>Flexible
Containers (Super Sacks)
A material susceptibility to ignition? -
✔✔✔ANSWER>>>>Flammability
A narrow split or break in the container metal that can penetrate though
the metal of the container and may also be caused by fatigue -
✔✔✔ANSWER>>>>Crack
Page 3 of 17
