Hazmat Exam (Nipsta) Questions With
Correct Detailed Answers 2025.
A hazmat in a __ state will usually require the largest hot zone - ANSWER- Gaseous
________ are issued and enforced by gov't bodies like the EPA: guidelines, regs,
standards, or policies? - ANSWER- Regulations
What type of radiation is most harmful to the human body? - ANSWER- Gamma
MC-306 refers to what? [i.e. vehicle appearance] - ANSWER- -elliptical cross section
-rollover protection
-Bottom outlet valves
-Made of aluminum or stainless steel
Under what circumstances are alpha particles the most harmful? - ANSWER- When you
are in close proximity with no protective barrier. (pg. 1121)
Which of the following is a key benefit of using ICS? - ANSWER- - Common terminology
- Consistent organizational structure
- Consistent position titles
- Common incident facilities
- Can handle any size of instance
(pg. 1204)
If you're applying foam to a burning pool of fuel, it's important to avoid what? -
ANSWER- Splashing, or directly upsetting the burning surface
What is the temperature at which a liquid fuel gives off sufficient vapors that, when an
ignition source is present, the vapors will ignite? - ANSWER- flash point
The minimum level of hazmat training for hazmat IC is what? - ANSWER- 24 hrs
training equal to the first responder operations level. (pg.1070)
What is the term for a gaseous substance that has been refrigerated until it liquefies? -
ANSWER- Cryogen liquid
What is distinctive of IMO type 5 containers? - ANSWER- High pressure vessels with
internal pressures ranging from 100-600 psi. Commonly holds liquified compressed
gasses such as propane and butane. (pg.1134-1135)
The primary objective of the _______ phase of a hazmat incident is to return the
property or site of the incident to its original condition? - ANSWER- Recovery
, What is the most common problem associated with wearing chemical protective
clothing? - ANSWER- Heat related illnesses, Dehydration
What do intermodal tanks look like? - ANSWER- box-like steel framework, constructed
to facilitate efficient stacking and shipping, surrounds an IM tank. (pg.1133)
Which tactical activity requires technician-level training? - ANSWER- Implement
emergency response plan; classify/identify/verify materials using field survey
instruments and equipment; select and use specialized chemical PPE; perform
advanced control, containment, and/or confinement operations; decon.
What is the term for the physical destruction or decomposition of clothing material due
to chemical exposure or ambient conditions? - ANSWER- Degradation
Which statement about radiation is correct? - ANSWER- - Ionizing radiation is more
dangerous than non-ionizing radiation
- Transmitted through waves or particles
- Amount of radiation absorbed and exposure time related to damage done/injury (p.
1120)
Which cargo tanks are certified to transport flammable and combustible liquid chemicals
under 25psi? - ANSWER- Low pressure tank cars (general service rail tank cars)
(pg.1140)
Monitors and meters provide information that _______ - ANSWER- Used in
understanding and determining the gases/vapors in the surrounding atmosphere
Provide a snapshot of the gas being monitored in that location, in that moment (p. 1227)
What is a term for shipping documents carried on road and highway transportation
vehicles? - ANSWER- Bill of Lading or frieght bill
Weakness, dizziness, and sweating are typical of heat _______. - ANSWER-
Exhaustion
What does it mean if a substance's vapor density is 2.3? - ANSWER- It is heavier than
air therefore will stay low to the ground (pg.1117)
Which resource gives information on the necessary initial distance of evacuation for
hazmat incidents? - ANSWER- ERG
What is the most common source of carbon monoxide? - ANSWER- Smoke production
or
incomplete combustion
Correct Detailed Answers 2025.
A hazmat in a __ state will usually require the largest hot zone - ANSWER- Gaseous
________ are issued and enforced by gov't bodies like the EPA: guidelines, regs,
standards, or policies? - ANSWER- Regulations
What type of radiation is most harmful to the human body? - ANSWER- Gamma
MC-306 refers to what? [i.e. vehicle appearance] - ANSWER- -elliptical cross section
-rollover protection
-Bottom outlet valves
-Made of aluminum or stainless steel
Under what circumstances are alpha particles the most harmful? - ANSWER- When you
are in close proximity with no protective barrier. (pg. 1121)
Which of the following is a key benefit of using ICS? - ANSWER- - Common terminology
- Consistent organizational structure
- Consistent position titles
- Common incident facilities
- Can handle any size of instance
(pg. 1204)
If you're applying foam to a burning pool of fuel, it's important to avoid what? -
ANSWER- Splashing, or directly upsetting the burning surface
What is the temperature at which a liquid fuel gives off sufficient vapors that, when an
ignition source is present, the vapors will ignite? - ANSWER- flash point
The minimum level of hazmat training for hazmat IC is what? - ANSWER- 24 hrs
training equal to the first responder operations level. (pg.1070)
What is the term for a gaseous substance that has been refrigerated until it liquefies? -
ANSWER- Cryogen liquid
What is distinctive of IMO type 5 containers? - ANSWER- High pressure vessels with
internal pressures ranging from 100-600 psi. Commonly holds liquified compressed
gasses such as propane and butane. (pg.1134-1135)
The primary objective of the _______ phase of a hazmat incident is to return the
property or site of the incident to its original condition? - ANSWER- Recovery
, What is the most common problem associated with wearing chemical protective
clothing? - ANSWER- Heat related illnesses, Dehydration
What do intermodal tanks look like? - ANSWER- box-like steel framework, constructed
to facilitate efficient stacking and shipping, surrounds an IM tank. (pg.1133)
Which tactical activity requires technician-level training? - ANSWER- Implement
emergency response plan; classify/identify/verify materials using field survey
instruments and equipment; select and use specialized chemical PPE; perform
advanced control, containment, and/or confinement operations; decon.
What is the term for the physical destruction or decomposition of clothing material due
to chemical exposure or ambient conditions? - ANSWER- Degradation
Which statement about radiation is correct? - ANSWER- - Ionizing radiation is more
dangerous than non-ionizing radiation
- Transmitted through waves or particles
- Amount of radiation absorbed and exposure time related to damage done/injury (p.
1120)
Which cargo tanks are certified to transport flammable and combustible liquid chemicals
under 25psi? - ANSWER- Low pressure tank cars (general service rail tank cars)
(pg.1140)
Monitors and meters provide information that _______ - ANSWER- Used in
understanding and determining the gases/vapors in the surrounding atmosphere
Provide a snapshot of the gas being monitored in that location, in that moment (p. 1227)
What is a term for shipping documents carried on road and highway transportation
vehicles? - ANSWER- Bill of Lading or frieght bill
Weakness, dizziness, and sweating are typical of heat _______. - ANSWER-
Exhaustion
What does it mean if a substance's vapor density is 2.3? - ANSWER- It is heavier than
air therefore will stay low to the ground (pg.1117)
Which resource gives information on the necessary initial distance of evacuation for
hazmat incidents? - ANSWER- ERG
What is the most common source of carbon monoxide? - ANSWER- Smoke production
or
incomplete combustion
