Firefighter HAZMAT OPS Practice Test 1
_________ interfere with oxygen exchange during normal respiration.
a) Anesthetics
b) Carcinogens
c) Irritants
d) Asphyxiants - ANS-d) Asphyxiants
__________ is the minimum temperature at which a liquid gives off sufficient vapors to form an
ignitable mixture with air.
a) Ignition temperature
b) Autoignition temperature
c) Flash point
d) Reactivity point - ANS-c) Flash Point
A carboy may be used for transporting materials containing:
a) Radioactive Substances
b) Corrosives
c) Explosives
d) Poison Gases - ANS-b) Corrosives
A cyrogenic liquid tank car will have:
a) A single uninsulated shell
b) An enclosed time
c) A double shell with insulation
d) Fittings and valves visible on top of the tank car - ANS-c) A double shell with insulation
A liquid's ability to mix with water BEST defines:
a) Solubility
b) Surface Tension
c) Water Reactivity
d) Instability - ANS-a) Solubility
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 - ANS-b) Violent Rupture
A recon team is sent to observe a tank truck that has rolled over. The team reports that the
vehicle is an MC 312. The container most probably contains a:
a) Flammable Liquid
b) Corrosive Liquid
c) Poison Gas
d) Flammable Solid - ANS-b) Corrosive Liquid
An intermodal container that is capable of holding high-pressure gases 3,000psi or higher is a:
a) Cyrogenic intermodal tank
b) Tube module intermodal container
c) Pressurized intermodal tank
d) Nonpressurized intermodal tank - ANS-b) Tube module intermodal container
An MC 307/DOT 407 low-pressure chemical carrier is designed to carry chemicals with
pressures not to exceed _________ psi.
a) 3.0
b) 75.0
c) 40.0
d) 30.0 - ANS-c) 40.0
An uninsulated, single-shell vessel which carries gases that have been liquefied, is an:
a) MC 306/DOT 406
b) MC 307/DOT 407
c) MC 312/DOT 412
d) MC 331 - ANS-d) MC 331
At an emergency incident, the fire fighter may obtain appropiate MSDS information from:
a) CAMEO
b) The National Response Center
c) OSHA
d) CHEMTREC - ANS-d) CHEMTREC
Blood agents, such as Arsine, would fall under which UN/DOT hazard class and division?
a) 1.1
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