WFMS Set 2 Vol 3 Questions and Correct Answers |
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What positions are on the pump control switch Ans: Hand/off/auto
What does the pressure/flow recorder indicate? Ans: System pressure
and issue/return flow rates
Most emergency service calls involve Ans: no fuel delivery
How many hydrant outlets are served by each panero pit? Ans: 1
Assignment Expert
When operating normally, what part on the 302 AF fueling/defueling
valve restricts the flow of fuel in the control tubing and will not close?
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Ans: pressure reducing control
A damaged diaphragm on the pressure reducing control is indicated by
Ans: a fuel leakage from the vent port
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What component closes the main valve of the 302 AF fueling/defueling
valve when there is excess flow at the hydrant outlet? Ans: CDHS-3
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(pressure differential control)
the primary purpose of the orifice plate on the 302 AF fueling and
defueling valve is to create differential Ans: pressure to operate the
CDHS-3 (pressure differential control)
During refueling, which 302 AF fueling and defueling valve component
holds the defuel side of the main valve inlet closed? Ans: solenoid
the first adjustment you make, when setting the pressure on the 302 AF
fueling and defueling valve, is establishing a pressure gauge reading of
10 PSI above the desired delivery pressure. You do this by turning the
adjusting screw on the Ans: pressure-reducing control (CRD) Clockwise
What delivery pressure causes the fueling side, of the 302 AF fueling and
defueling valve, to close when turning the adjustment screw on the
, 2 for specific request mail
loading pressure relief control valve counterclockwise? Ans: 5 PSI above
normal operating pressure
Approximately how long do you want it to take the fueling valve to open
when you adjust the CV flow control on the 302 AF fueling and defueling
valve? Ans: 20 Seconds
what components are energized when you place a magnet on the refuel
contact points at the hydrant int he modified Panero system? Ans: the
deep well turbine pump and 302 AF electrical solenoid
to remedy a leakage on the philadelphia hydrant adapter, which one of
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the following would you usually replace? Ans: the flange gasket
How many manual valves are found in the lateral control pit of the
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Pritchard system? Ans: 3
When you place a magnet on the defuel magnetic control switch, during
defueling, the solenoids on the Ans: defueling control valve and the
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defuel pump are energized
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what lateral control pit componenet automatically cuts off the defuel
pump when a predetermined amount of inches of mercury is reached?
Ans: vaccuum control switch
When the cover chamber pressure of the 90AF-8 refueling control valve is
at least as great as the inlet pressure, the valve will Ans: close tightly
If the cover chamber pressure on the 90 AF-8 refueling control valve
stays between the inlet and outlet pressure, the valve Ans: modulates
what happens to auxiliary hytrols A and B, on the 90AF-8 refueling
control valve, when excess flow trips the CDHS-3 pressure differential
control? Ans: A opens and B closes
The pressure relief control, on the 90AF-8 is set to Ans: 5 PSI higher than
Normal Operating Pressure