1.
|
What is one traffic law that responding fire apparatus generally cannot
disregard?
|
| |
A.
|
Stopping for a schoolbus
|
| |
B.
|
Passing a stop sign without coming to a complete stop
|
| |
C.
|
Proceeding past a red light without coming to a complete stop
|
| |
D.
|
Blocking traffic on a limited-access highway
|
| |
|
|
2.
|
What is generally considered the safest position for an apparatus, relative to a
building, should a collapse occur?
|
| |
A.
|
Along either crosswind side
|
| |
B.
|
Behind the building (side 3)
|
| |
C.
|
Directly in front of the main entrance
|
| |
D.
|
At any corner
|
| |
|
|
3.
|
When a pumper and an aerial are operating beside each other in front of a
building, what is the rule of thumb for which one should be on the inside
(closer to the building)?
|
| |
A.
|
Pumper on outside if aerial has its own pump
|
| |
B.
|
Pumper on inside if immediate aerial rescue operations are anticipated
|
| |
C.
|
Pumper on outside if two or more stories are involved
|
| |
D.
|
Pumper on inside if building is five stories or less
|
| |
|
|
4.
|
What is a pipe called that is set up at a drafting site extending from under the
water to above ground to facilitate hookup?
|
| |
A.
|
A dry standpipe
|
| |
B.
|
A cistern
|
| |
C.
|
A dry hydrant
|
| |
D.
|
A LaPlace valve
|
| |
|
|
5.
|
What is the point of attaching gated valves to the smaller discharges of a
hydrant when making the large diameter hookup?
|
| |
A.
|
It allows rapid shutdown of the hydrant in the event of a burst hose
|
| |
B.
|
It allows connections to later be made to the smaller discharges without
interruption of the original water supply
|
| |
C.
|
It allows the bleeding off of pressure in the event that excessive pump
pressure developed, without shutting down any attack lines
|
| |
D.
|
It allows a degree of fine-tuning the discharge pressure to an extent not
available otherwise
|
| |
|
|
6.
|
People often confuse dual and tandem pumping. What is dual pumping?
|
| |
A.
|
Two strong pumpers charge the hydrant system by discharging into it
while supplied by draft
|
| |
B.
|
One strong hydrant supplies two pumpers
|
| |
C.
|
One strong pumper supplies another weaker pumper
|
| |
D.
|
One pumper is supplied by two independently-mained hydrants
|
| |
|
|
7.
|
How much does fresh water weigh, in pounds per cubic foot?
|
| |
A.
|
98.6
|
| |
B.
|
62.5
|
| |
C.
|
14.7
|
| |
D.
|
8.3
|
| |
|
|
8.
|
What is the practical significance of the latent heat of vaporization to
firefighting?
|
| |
A.
|
Boiling water uses up a whole lot of heat
|
| |
B.
|
Firefighters can never be burned if steam is present
|
| |
C.
|
Firefighters can only be burned if steam is present
|
| |
D.
|
If the water from the hoseline turns to steam before hitting the fuel, it is
useless for absorbing any of the heat of the fire
|
| |
|
|
9.
|
What does it mean if a fluid has a specific gravity of less than one?
|
| |
A.
|
It absorbs less heat than water
|
| |
B.
|
It flows more easily than water
|
| |
C.
|
It is less volatile than water
|
| |
D.
|
It is lighter than water
|
| |
|
|
10.
|
One disadvantage of water as an extinguishing agent is that it has a high
surface tension. What does that mean in practical terms?
|
| |
A.
|
It is abrasive to pumps and hoses
|
| |
B.
|
It resists soaking into dense materials
|
| |
C.
|
It tends to float on other liquids
|
| |
D.
|
It tends to bead up rather than flow
|
