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Propane Systems 5-4
Terms in this set (10)
Which material is NOT approved for use as propane piping?
E) wrought or black iron
List 2 approved materials for joining pipe connections.
1. Pipe-joint compounded marked for propane use
Teflon tape approved for propane use
Flare fittings are designed to be used without any sealant material.
T or F?
Check for leaks on propane systems only once each year. T or F?
False. The system should be checked at least once before each camping season and anytime the system is opened by loosening a fitting, removing an appliance, replacing a line, or leak is suspected.
List the 2 methods of locating leaks in RVs
Leak detector solution
NFPA 1192 requires that a times pressure drop test be conducted for a minimum of _____ minutes.
3 minutes minimum
During the timed pressure drop test, the pressure must be maintained at a nominal _______ or less WC for the minimum time frame.
The number of threads in a threaded pipe does not affect performance. T or F?
False. Over-threading can cause loose fitting and weakening of pipe.
Copper tubing should be supported every ______ to prevent physical damage from vibration.
The 2 types of flare nuts approved for use in RVs are:
Forged, and Stress-relieved
THIS SET IS OFTEN IN FOLDERS WITH...
Propane System 5-1
Propane Systems 5-2
Propane Systems 5-3
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