DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS)
|ALREADY GRADED A
Where is the base of a hydraulic ram placed when performing a dash roll? -
ANSWER: Base of the B-post
Which device mixes foam concentrate in the water stream in the proper percentage?
- ANSWER: Proportioner
What does the "S" stand for in "RECEO-VS"? - ANSWER: Salvage
Which form of evidence is based on inference and not on personal observation? -
ANSWER: Circumstantial
Many new smoke alarms contain an extended-life _____-year battery - ANSWER: 10
When removing the victim from the vehicle, who usually directs the move? -
ANSWER: The person stabilizing the victim's cervical spine
Type II construction is: - ANSWER: noncombustable
What is a critical factor to consider when evaluating the potential for collapse of a
burning structure? - ANSWER: How long it has been burning
Where should the hydraulic spreader tips be placed when separating a door from a
vehicle on the hinge side? - ANSWER: Above the top hinge
Which foam application method is best for a pool of flammable liquid on open
ground? - ANSWER: Roll-in
Which foam application method is best for an open-top storage tank fire? -
ANSWER: Bounce-off
Where is the relief cut made in a dash displacement? - ANSWER: The bottom of the
A-post
When approaching a potential confined space incident, what should you assume? -
ANSWER: An IDLH atmosphere is present
What are the vertical support members that hold up thje roof on a vehicle? -
ANSWER: Posts
What is the correct procedure when performing extrication in a vehicle with an
undeployed air bag? - ANSWER: Stay away from the front of the air bag
, What is the first step in making plans to manage an emergency incident? - ANSWER:
Perform size-up
What should occur if there is a fault in the fire alarm system? - ANSWER: The trouble
signal is activated
Which is a two-dimensional fire? - ANSWER: Ignited flammable liquid spill on open
ground
What should be done if there is a small gap between the top of a box crib and the
object being raised? - ANSWER: Close the gap with wooden wedges
What divides the engine compartment of a car from the passenger compartment? -
ANSWER: Bulkhead
What is the term for the system of inlets, pipes, and outlets built into a structure to
supply water to fire hoses? - ANSWER: Standpipe
To break a side window in a vehicle, where should the window be struck? - ANSWER:
A lower corner of the window
Which exterior item is of particular importance to check when inspecting a private
residence? - ANSWER: Visibility of house numbers from street
What are step chocks commonly used for? - ANSWER: Stabilize a vehicle's
suspension
What is the primary mechanism by which carbon dioxide extinguishes a fire? -
ANSWER: Displacing the oxygen
What is a strike team? - ANSWER: Two or more single resources of the same type
with an assigned leader
When considering the placement of smoke alarms, which location should be
avoided? - ANSWER: Near heating or air conditioning ducts
If solid fuels are regularly burned, is it recommended that the chimney be cleaned
every _____ months - ANSWER: 12
What is the recommended placement of smoke alarms in a home? - ANSWER: One
in each bedroom, one outside each sleeping area, and one on each level of the
home
What is the name of the standardized audio pattern that must be produced by a
modern audible fire alarm? - ANSWER: Temporal-3