HazMat Ops Test Questions and Answers

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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

• 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 1 / 4

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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 2 / 4

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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 3 / 4

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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

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