HazMat Ops Test Questions and Answers
(2022/2023) (Verified Answers)
1. Materials that emit
ionizing radiation are called materials.
a. Negative-ion
b. Synesgeous
c. Radioactive
d. Lethal-concentration: c. Radioactive
2. rays are the most dangerous type of radiation
a. Alpha
b. Beta
c. Neutron
d. Gamma: d. Gamma
3. Caustic soda and potassium hydroxide are examples of:
a. Polymers
b. Catalysts
c. Acids
d. Bases: d. Bases
,4. Substances that
ignite when combined create a reaction.
a. Hyperbolic
b. Hypergolic
c. Congenial
d. Cryogenic: b. Hypergolic
5. A chemical with a vapor density of greater than one will tend to collect
in low areas and below-grade places;
a. True
b. False: a. True
6. Chemicals with specific gravities greater than one tend to float on
water.
a. True
b. False: b. False
7. A liquid's ability to mix with water best defines:
a. Solubility
b. Surface tension
c. Water reactivity
d. Instability: a. Solubility
,8. A reaction that is associated with over-pressurization of closed
containers and occurs at a rate of one second or less is called a:
a. Rapid relief
b. Violent rupture
, c. Detonation
d. Spill: b. Violent rupture
9. If a container is unable to adapt to applied stress, it will breach. An
opening associated with a BLEVE is called:
a. A failure of container attachments.
b. Disintegration
c. Runaway cracking
d. A puncture: c. Runaway cracking
10. A is a release that is the result of a broken or damaged valve(s) that
may last from several seconds to several minutes, depending on the size
of the opening, type of container, and nature of contents.
a. Spill
b. Detonation
c. Rapid relief
d. Violent rupture: c. Rapid relief
11. Hypergolic materials ignite when they:
a. Contact water
b. Contact air
c. Contact each other
d. Encounter heat of friction: c. Contact each other
(2022/2023) (Verified Answers)
1. Materials that emit
ionizing radiation are called materials.
a. Negative-ion
b. Synesgeous
c. Radioactive
d. Lethal-concentration: c. Radioactive
2. rays are the most dangerous type of radiation
a. Alpha
b. Beta
c. Neutron
d. Gamma: d. Gamma
3. Caustic soda and potassium hydroxide are examples of:
a. Polymers
b. Catalysts
c. Acids
d. Bases: d. Bases
,4. Substances that
ignite when combined create a reaction.
a. Hyperbolic
b. Hypergolic
c. Congenial
d. Cryogenic: b. Hypergolic
5. A chemical with a vapor density of greater than one will tend to collect
in low areas and below-grade places;
a. True
b. False: a. True
6. Chemicals with specific gravities greater than one tend to float on
water.
a. True
b. False: b. False
7. A liquid's ability to mix with water best defines:
a. Solubility
b. Surface tension
c. Water reactivity
d. Instability: a. Solubility
,8. A reaction that is associated with over-pressurization of closed
containers and occurs at a rate of one second or less is called a:
a. Rapid relief
b. Violent rupture
, c. Detonation
d. Spill: b. Violent rupture
9. If a container is unable to adapt to applied stress, it will breach. An
opening associated with a BLEVE is called:
a. A failure of container attachments.
b. Disintegration
c. Runaway cracking
d. A puncture: c. Runaway cracking
10. A is a release that is the result of a broken or damaged valve(s) that
may last from several seconds to several minutes, depending on the size
of the opening, type of container, and nature of contents.
a. Spill
b. Detonation
c. Rapid relief
d. Violent rupture: c. Rapid relief
11. Hypergolic materials ignite when they:
a. Contact water
b. Contact air
c. Contact each other
d. Encounter heat of friction: c. Contact each other
