Term 1 of 134
_____ are capable of receiving oil under pressure form both sides of the piston so that force can
be created in either direction.
Hydraulic accumulators
Double-acting cylinders
Pneumatic cylinders
Friction
Term 2 of 134
If possible, aerial apparatus used for rescue should be placed at the ______.
Side of the building
Backing the apparatus in
Back of the building
Corner of the building
Term 3 of 134
Aerial ladder platform apparatus are similar to aerial ladder apparatus except that a ______ is
attached to the end of the aerial ladder.
Fire hose reel
Work platform
Rescue basket
Storage compartment
,Term 4 of 134
When possible, position the aerial apparatus so that the aerial device may be operated over
the ___ or ___ of the apparatus.
Top or bottom
Left or right
Inside or outside
Front or rear
Term 5 of 134
The aerial device should not be extended or retracted over the ___ of the apparatus when
parked on a longitudinal grade.
Top (vertical)
Front (longitudinal)
Sides (lateral)
Back (longitudinal)
Term 6 of 134
The ____ is a three-way valve that directs fluid to either the stabilizer control valves or the aerial
device control vales.
Pressure valve (regulator or limiter)
Flow valve (control or adjustment)
Selector valve (transfer or diverter valve)
Safety valve (relief or bypass)
,Term 7 of 134
_____ are required to prevent the apparatus from tipping as the aerial device is extended away
from the center line of the chassis.
Stabilizers (outriggers, ground jacks, ext.)
Brakes (emergency, parking, ext.)
Weights (sandbags, blocks, ext.)
Supports (struts, beams, ext.)
Term 8 of 134
When bedding an aerial ladder, some manufactures recommend that once the device is on the
rest, the lowering control ______ to ensure the device is firmly seated on the rest and the hold-
down locks engage.
Should be pulled slowly
Should be held steady
Should be pushed upward
Should be operated with a quick downward movement
Term 9 of 134
____ prevent fluid from flowing backwards through a component and act as a safety feature in
the even that a leak develops in the system.
Flow meter
Check valve
Pressure gauge
Filter
, Term 10 of 134
Hydraulic fluid hoses must be rated to burst at a pressure that is at least ___ times the normal
operating pressure.
Four times
Five times
Two times
Three times
Term 11 of 134
On uneven surfaces, the stabilizers should be raised in ___ order of lowering when taking the
apparatus out of operation.
Forward
Sideways
Reverse
Diagonal
Term 12 of 134
Depending on the manufacturer of the aerial apparatus, the fluid may be under pressure of _____
psi or more.
1,500 psi
4,500 psi
2,000 psi
3,500 psi
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