reg4 fire pump practice questions and answers (100% pass)
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Course
Fire Pump
Institution
Fire Pump
reg4 fire pump practice questions and
answers (100% pass)
batteries attempt to start cycle test - Answer️️ -3min test , 6 consecutive
cycles of 15sec of cranking and 15 sec of rest
pump and jockey Sensing line shall have no - Answer️️ -shut off valve
pump and jockey Sensing line shall ...
reg4 fire pump practice questions and
answers (100% pass)
batteries attempt to start cycle test - Answer✔️✔️-3min test , 6 consecutive
cycles of 15sec of cranking and 15 sec of rest
pump and jockey Sensing line shall have no - Answer✔️✔️-shut off valve
pump and jockey Sensing line shall have 2 3/32nd check valves or unions
at least how far apart? - Answer✔️✔️-5feet
pump and jockey Sensing line have small orfice checks for what purpose? -
Answer✔️✔️-dampening
a pressure gauge having a dial not less than ________ in. in diameter and
with a nominal size of _________ shall be connected near the discharge
casting and the suction piping - Answer✔️✔️-3.5 in dial and .25 nominal or
1/4in
the discharge gauge shall indicate pressure to at least ________ the rated
working pressure of the pump but not less than ________ psi - Answer✔️✔️-
twice / 200
the suction gauge shall have a pressure range of ________ the rated max
suction pressure of the pump - Answer✔️✔️-2 times
where the minimum pump suction pressure is below ______ psi under any
flow condition, the suction gauge shall be a ______ _______ ______
________ - Answer✔️✔️-20/ compound pressure vacuum gauge
if the pump is equipped with a bypass the piping shall be what size -
Answer✔️✔️-at least as large as the pipe size required for the discharge pipe
as specified in table 4.27
no control valve other than a listed os&y gate valve shall be installed in the
suction pipe within _____ft of the _______ _______ - Answer✔️✔️-50 /
suction flange
maximum number of fire pumps in series - Answer✔️✔️-three
if the pump is equipped with a pressure relief valve no _______ valve is
allowed - Answer✔️✔️-shutoff
how many test header hose valves for a 2000 gpm pump - Answer✔️✔️-six
where pumps are in series a butterfly valve shall ______ installed between
pumps - Answer✔️✔️-not
elbows and tees with a centerline plane parallel to a horizontal split-case
pump shaft shall not be permitted in the suction piping unless -
Answer✔️✔️-the distance between the pump suction flange and elbow or tee
flange is greater the 10 times the suction pipe diameter
each pump supplying suction pressure to another pump shall be arranged
to start within? - Answer✔️✔️-10 sec before the pump it supplies
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