ACTUAL Exam Questions and CORRECT
Answers
What item converts fluid pressure into mechanical force in a hydraulic rescue tool? - CORRECT
ANSWER - Actuator
What is the first step of a 360-degree vehicle inspection? - CORRECT ANSWER - Open
the apparatus bay door.
In a hydraulic rescue tool, which item converts fluid pressure into mechanic force - CORRECT
ANSWER - Actuator
What is the first step of a 360-degree vehicle inspection?
Open the apparatus bay door.
l'o disengage an electrical generator driven by a power take-ott (P'I'O), what should you do
first - CORRECT ANSWER - Return the throttle to the idle position.
In general, a smooth-bore master stream nozzle should be operated at a pressure of
psi. - CORRECT ANSWER - 80 (552 kPa)
The 70% pump performance test is performed at _ - CORRECT ANSWER - 200 (1379
kPa)
Job performance requirements (JPRs) are found in which type of document - CORRECT
ANSWER - NFPA standards
,In general, a 21/2" (90 mm) handline flows approximately gpm. - CORRECT ANSWER -
250 (945 L/min)
What is the first step in evaluating the reliability of a static water source - CORRECT
ANSWER - Estimate the quantity of water available.
An aerial apparatus PTO is engaged but the outriggers have not been deployed or set. When
you depress the dead man's switch, nothing happens. What is the cause - CORRECT
ANSWER - The safety interlock is functioning normally.
Nominal fire hose size is based on which dimension - CORRECT ANSWER - The inside
diameter of the hose when it's filled with water
The simple formula for friction loss is FL - CORRECT ANSWER - CQ^2L
What is the final step in the five-step changeover operation from onboard tank water to an
external water source - CORRECT ANSWER - 'j)'Adjust the pump settings as needed.
Fire Apparatus Driver/Operator: Pump, Aerial, Tiller, and Mobile Water Supply Team synergy
begins with _ - CORRECT ANSWER - Confidence and trust
As a rule ot thumb, it is best to limit a relay pumping operation to a maximum ot - CORRECT
ANSWER - 800 (245 m)
On what should the driver/operator focus when educating his/her crew about reducing or
preventing hazardous conditions - CORRECT ANSWER - Knowing why these situations
exist
What is assessed by the aerial device time trial test - CORRECT ANSWER - Hydraulic
flow and control functions
, Fire Apparatus Driver/Operator: Pump, Aerial, Tiller, and Mobile Water Supply
When backing an apparatus with a single spotter, were should the spotter stand - CORRECT
ANSWER - Behind and to the left of the apparatus
Engine One secures the end of its supply hose near an intersection and performs a forward
lay to the fire. Engine Two responds to the intersection, connects its supply line to Engine
One's, and performs a reverse lay to a fire hydrant. This is a - CORRECT ANSWER -
Split
Whether a multistage pump operates in either volume or pressure mode is controlled by the -
CORRECT ANSWER - transfer
Which is the best indication of how much more water is available from a water system?
Residual pressure
The function of which appliance is to merge two hoselines into a single hoseline - CORRECT
ANSWER - Siamese connection
What is the most common source of flow restrictions from a portable pump - CORRECT
ANSWER - Clogged strainer
Which item is of critical importance for every pumper in a relay operation - CORRECT
ANSWER - Intake relief valve
Which statement about tailboard riding is correct - CORRECT ANSWER - NFPA
standards do not permit it.
Which item can be used to check a discharge for vacuum leak - CORRECT ANSWER -
EMS glove