QUESTIONS WITH DETAILED ANSWERS AND
EXPLANATIONS
◉ ideally when should reponse to a hazardous materials incident
begin?
A. upon receipt of the alarm
B. after identifying the materials involved
C. during preincident planning
D. upon arrival at the scene. Answer: C. during preincident planning
◉ In general, which factor has the most influence on the actions
taken at a hazardous materials incident?
A. the initial actions of first responders
B. the properties of the specific chemicals involved
C. fixed facility versus transportation accident
D. weather conditions. Answer: B. the properties of the specific
chemicals involved
,◉ defensive hazardous materials operations are those actions taken
to_________.
A. minimize the volume of the release
B. control the incident perimeter and isolate the hazard
C. prevent the situation from deteriorating
D. contain the release from a safe distance. Answer: D. contain the
release from a safe distance
◉ Approximately how many chemicals are registered for
commercials use in the Unites States?
A. 10,000
B. 25,000
C. 80,000
D. 200,000. Answer: C. 80,000
◉ What is the minimum level of hazardous materials training
required to take defensive actions?
A. awareness
B. technician
C. operations
,D. specialist. Answer: C. operations
◉ what is the temperature at which a liquid continuously gives off
vapors?
A. evaporation point
B. flash point
C. boiling point
D. fire point. Answer: C. boiling point
◉ what is the temperature at which flammable liquid will ignite
without any external ignition source?
A. fire point
B. flash point
C. lower explosive limit
D. ignition temperature. Answer: D. ignition temperature
◉ Why are flammable liquids with low boiling points dangerous?
A. ignition temperature is proportional to boiling point
B. such liquids react more readily with other substances
, C. such liquids typically have a high vapor density
D. such liquids produce large volumes of flammable vapor at
relatively low temperatures. Answer: D. such liquids produce large
volumes of flammable vapor at relatively low temperatures
◉ Which toxic chemical is produced by the burning of wood?
A. copper chlorate
B. organic peroxide
C. cyanide
D. acetic acid. Answer: C. cyanide
◉ which type of agent is also known as a riot-control agent?
A. deterrent
B. choking
C. irritant
D. smothering. Answer: C. irritant
◉ which section of the Emergency Response Guidebook (ERG)
contains the guides?