HazMat Ops Test Bank Exam Questions and
Answers
1. Structural Firefighting gear with a self-contained breathing apparatus will
protect responders from: - ANSWER Beta Particles
2. What type of PPE is most commonly used when dealing with a biological
incident? - ANSWER Vapor Protection Clothing
3. Procedure for wearing vapor protective clothing: - ANSWER Remain
isolated until deconned
4. A cryogenic liquid tank will have: - ANSWER a double shell with insulation
5. The proper cargo tank truck to carry a shipment of sulfuric acid is a: -
ANSWER MC 312/DOT 412
6. The products that IM 102 intermodal portable tanks typically carry are: -
ANSWER Nonregulated Materials
7. If a rail car had a cylindrical tank and a covered dome containing all the
fittings and valves, it would be classified as a ____ rail car. - ANSWER
Pressure Tank
8. Which statement is true regarding vapor density? - ANSWER The runoff
may need to be contained
9. What is a physical limitation of personnel working in a positive pressure
SCBA? - ANSWER Physical Condition
10._______ is the controlled burning of a liquid or gas to reduce and/or control
the pressure and/or control the product - ANSWER Flaring
11.Minimum Level of protection required when dealing with an unknown
substance: - ANSWER Positive Pressure SCBAdir
1
,12.An advantage of confinement operations is that: - ANSWER Direct
exposure of personnel is avoided.
13.A vest where cooling agent is circulated - ANSWER Water Cooled
14.Hazard Class 3 includes: - ANSWER Gasoline
15.A rail car with a stenciled name on its side is generally a: - ANSWER
Dedicated car
16.What personal protective equipment would you use for a material that had a
LC50 of 5 mg/kg, high vapor pressure, dermally toxic? - ANSWER Level A
17.Vapors that attack the mucous membranes, such as the surfaces of the eyes,
nose, and throat, are considered: - ANSWER Asphyxiates
18.Adsorption is the process of: - ANSWER Adhering the contaminant to a
surface
19.A tank carrier designed to haul various chemicals whose pressures are less
than 40 PSI would be a: - ANSWER MC 306/DOT 406
20.The immediate concern when dealing with combustible liquid spills is to: -
ANSWER Prevent ignition of the fuel
21.The highest level of respiratory protection is needed but lesser chemical
protection is required for the skin best describes _______ protection. -
ANSWER Level B
22.Chemical Transportation Emergency Center (CHEMTREC) is able to
provide assistance to responders if: - ANSWER The name of the shipper and
manufacturer is known
23.Determining whether a vapor will rise or fall is commonly referred to as: -
ANSWER Vapor Density
24.The maximum hose length allowed by NIOSH when using an airline hose
respirator is ______ feet. - ANSWER 300
25.If a product with a vapor density of 1.6 escaped from its container, you
would expect the product to: - ANSWER Collect in low-lying areas
2
,26.Which resources are available for determining the concentrations of a
released hazardous material in an endangered area? - ANSWER Monitoring
equipment should be utilized, keeping in mind that Haz-Mat technicians are
needed to operate this equipment.
27.Chemicals that ignite when combined create a(n) __________ reaction. -
ANSWER Exothermic
28.The eight-step process recommended for assessing a hazardous materials
incident includes: - ANSWER Hazard and Risk evaluation
29.What would be the likely result of allowing a contaminated individual to
leave the hot zone without being decontaminated? - ANSWER The
contaminates would likely be transferred to other personal and equipment
resulting in secondary contamination.
30.When dealing with a Level III incident, it is expected that evacuation of
people will cover an area of. - ANSWER Large scale evacuation.
31.The minimum temperature to which a fuel in air must be heated to initiate
self-sustained combustion without initiation from an independent ignition
source is best described as: - ANSWER Auto-ignition Temperature
32.Which DOT Hazard Class covers nerve agents used in chemical warfare? -
ANSWER DOT 6.1
33.At a hazardous materials incident, the assistant safety officer directly reports
to the: - ANSWER Safety Officer
34.Symptoms of heat ______ include little or no sweating; hot, dry, red skin,
deep then shallow breathing; and rapid pulse. - ANSWER Stroke
35.To protect against radiological exposures a responder should: - ANSWER
Limit the time spent in a radiation hazard area
36.A person who is repeatedly exposed to a chemical over a long period of time
may develop - ANSWER Chronic health hazard
3
, 37.The first step or most important thing to accomplish upon arrival at a
hazardous materials or suspected hazardous materials incident is: -
ANSWER Isolation of the area and prevention of entry
38.Control of the scene begins by isolating the site. The process for establishing
initial isolation distances can be found: - ANSWER In the Emergency
Response Guidebook (ERG)
39.Beta particles can be described as: - ANSWER Ionizing radiation like x-rays
40.What type of container is used to ship materials of radioactivity by air? -
ANSWER Type A
41.The amount of an ingested substance that results in the death of 50 percent
of the test population best defines: - ANSWER LD50
42.An MC 307/DOT 407 low-pressure chemical carrier is designed to carry
chemicals with pressures not to exceed _______ psi. - ANSWER 35-40
43.caustic sodium hydroxide and potassium hydroxide are examples of: -
ANSWER Bases
44.The temperature at which a liquid changes to a gas is best described as: -
ANSWER The Boiling Point
45.The process by which a chemical enter a protective suit through openings in
the garment best describes: - ANSWER Penetration
46.The highest level of respiratory protection is needed but lesser chemical
protection is required for the skin best defines Environmental Protection
Agency _______ Protection - ANSWER Level B
47.when sheltering people in place, the citizens should be directed to: -
ANSWER Close all heating, ventilation, and air-conditioning systems
48.The remote shut off valve on a MC 306/DOT 406 will be located at the: -
ANSWER Left Front Corner
49.Cracking, charring, and discoloration are examples of ___________ to a
chemical garment. - ANSWER Degradation
4
Answers
1. Structural Firefighting gear with a self-contained breathing apparatus will
protect responders from: - ANSWER Beta Particles
2. What type of PPE is most commonly used when dealing with a biological
incident? - ANSWER Vapor Protection Clothing
3. Procedure for wearing vapor protective clothing: - ANSWER Remain
isolated until deconned
4. A cryogenic liquid tank will have: - ANSWER a double shell with insulation
5. The proper cargo tank truck to carry a shipment of sulfuric acid is a: -
ANSWER MC 312/DOT 412
6. The products that IM 102 intermodal portable tanks typically carry are: -
ANSWER Nonregulated Materials
7. If a rail car had a cylindrical tank and a covered dome containing all the
fittings and valves, it would be classified as a ____ rail car. - ANSWER
Pressure Tank
8. Which statement is true regarding vapor density? - ANSWER The runoff
may need to be contained
9. What is a physical limitation of personnel working in a positive pressure
SCBA? - ANSWER Physical Condition
10._______ is the controlled burning of a liquid or gas to reduce and/or control
the pressure and/or control the product - ANSWER Flaring
11.Minimum Level of protection required when dealing with an unknown
substance: - ANSWER Positive Pressure SCBAdir
1
,12.An advantage of confinement operations is that: - ANSWER Direct
exposure of personnel is avoided.
13.A vest where cooling agent is circulated - ANSWER Water Cooled
14.Hazard Class 3 includes: - ANSWER Gasoline
15.A rail car with a stenciled name on its side is generally a: - ANSWER
Dedicated car
16.What personal protective equipment would you use for a material that had a
LC50 of 5 mg/kg, high vapor pressure, dermally toxic? - ANSWER Level A
17.Vapors that attack the mucous membranes, such as the surfaces of the eyes,
nose, and throat, are considered: - ANSWER Asphyxiates
18.Adsorption is the process of: - ANSWER Adhering the contaminant to a
surface
19.A tank carrier designed to haul various chemicals whose pressures are less
than 40 PSI would be a: - ANSWER MC 306/DOT 406
20.The immediate concern when dealing with combustible liquid spills is to: -
ANSWER Prevent ignition of the fuel
21.The highest level of respiratory protection is needed but lesser chemical
protection is required for the skin best describes _______ protection. -
ANSWER Level B
22.Chemical Transportation Emergency Center (CHEMTREC) is able to
provide assistance to responders if: - ANSWER The name of the shipper and
manufacturer is known
23.Determining whether a vapor will rise or fall is commonly referred to as: -
ANSWER Vapor Density
24.The maximum hose length allowed by NIOSH when using an airline hose
respirator is ______ feet. - ANSWER 300
25.If a product with a vapor density of 1.6 escaped from its container, you
would expect the product to: - ANSWER Collect in low-lying areas
2
,26.Which resources are available for determining the concentrations of a
released hazardous material in an endangered area? - ANSWER Monitoring
equipment should be utilized, keeping in mind that Haz-Mat technicians are
needed to operate this equipment.
27.Chemicals that ignite when combined create a(n) __________ reaction. -
ANSWER Exothermic
28.The eight-step process recommended for assessing a hazardous materials
incident includes: - ANSWER Hazard and Risk evaluation
29.What would be the likely result of allowing a contaminated individual to
leave the hot zone without being decontaminated? - ANSWER The
contaminates would likely be transferred to other personal and equipment
resulting in secondary contamination.
30.When dealing with a Level III incident, it is expected that evacuation of
people will cover an area of. - ANSWER Large scale evacuation.
31.The minimum temperature to which a fuel in air must be heated to initiate
self-sustained combustion without initiation from an independent ignition
source is best described as: - ANSWER Auto-ignition Temperature
32.Which DOT Hazard Class covers nerve agents used in chemical warfare? -
ANSWER DOT 6.1
33.At a hazardous materials incident, the assistant safety officer directly reports
to the: - ANSWER Safety Officer
34.Symptoms of heat ______ include little or no sweating; hot, dry, red skin,
deep then shallow breathing; and rapid pulse. - ANSWER Stroke
35.To protect against radiological exposures a responder should: - ANSWER
Limit the time spent in a radiation hazard area
36.A person who is repeatedly exposed to a chemical over a long period of time
may develop - ANSWER Chronic health hazard
3
, 37.The first step or most important thing to accomplish upon arrival at a
hazardous materials or suspected hazardous materials incident is: -
ANSWER Isolation of the area and prevention of entry
38.Control of the scene begins by isolating the site. The process for establishing
initial isolation distances can be found: - ANSWER In the Emergency
Response Guidebook (ERG)
39.Beta particles can be described as: - ANSWER Ionizing radiation like x-rays
40.What type of container is used to ship materials of radioactivity by air? -
ANSWER Type A
41.The amount of an ingested substance that results in the death of 50 percent
of the test population best defines: - ANSWER LD50
42.An MC 307/DOT 407 low-pressure chemical carrier is designed to carry
chemicals with pressures not to exceed _______ psi. - ANSWER 35-40
43.caustic sodium hydroxide and potassium hydroxide are examples of: -
ANSWER Bases
44.The temperature at which a liquid changes to a gas is best described as: -
ANSWER The Boiling Point
45.The process by which a chemical enter a protective suit through openings in
the garment best describes: - ANSWER Penetration
46.The highest level of respiratory protection is needed but lesser chemical
protection is required for the skin best defines Environmental Protection
Agency _______ Protection - ANSWER Level B
47.when sheltering people in place, the citizens should be directed to: -
ANSWER Close all heating, ventilation, and air-conditioning systems
48.The remote shut off valve on a MC 306/DOT 406 will be located at the: -
ANSWER Left Front Corner
49.Cracking, charring, and discoloration are examples of ___________ to a
chemical garment. - ANSWER Degradation
4
