NYC DOB Fire Suppression Piping Contractor Exam
Actual Test|| Verified Questions and Correct Answers
With Rationales LATEST THIS YEAR.pdf||Newest
Exam!!!
When brazed joints are specificed to be used in a FS
system, a bronzing alloy must have a melting point of:
550 F
650 F
825 F
1000 F - Answer-1000 F
Nominal pipe size refers to:
Inside pipe diamater
Outside pipe diameter
Wall Thickness
Maximum size - Answer-Inside pipe diamater
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Of the following statements the one that is incorrect
regarding to the safe and proper handling of an
oxyactetylene fuel torch:
Use only ferrous material for splice connections to repair a
broken hose line
Never use petroleum base lube to lubricate all valves and
regulators
Always leave the fuel key with fuel cylinder when the valve
is open
Never use a torch as a light hammer or means to remove
hot work - Answer-Use only ferrous material for splice
connections to repair a broken hose line
Of the following FA signal systems the one that requries
owner to be onsite at all times to transmit the alarm is::
Central Station Protective Signaling System
Remove Station Protective Signaling System
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Proprietary System
Auxiliary Protective Signaling System - Answer-Proprietary
System
To Prevent the bottom of an extension ladder from slipping
the ladder side rails are often fitted with:
Stirrups
Shoes
U Bolts
Wedges - Answer-Shoes
In a FS piping system, a 2" pipe is connected to a 1" pipe
through an approved reducer fitting. When the system is
activated and both pipes are flowing full, the velocity of the
fluid in the 1" pipe is most nearly:
Same velocity as 2" pipe
Four times the velocity of the 2" Pipe
Twice the velocity of the 2" pipe
1/2 the velocity of the 2" pipe - Answer-Four times the
velocity of the 2" Pipe