Gas Fitting Review Questions and Answers 100% Verified
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Course
Gas Fitting
Institution
Gas Fitting
Gas Fitting Review Questions and Answers 100% VerifiedGas Fitting Review Questions and Answers 100% VerifiedGas Fitting Review Questions and Answers 100% VerifiedGas Fitting Review Questions and Answers 100% VerifiedGas Fitting Review Questions and Answers 100% Verified
Why would a gas fitter comp...
Why would a gas fitter complete a house depressurization test? - ANSWER-
Spillage from a category one appliance is suspected
A natural gas pressure regulator installed outdoors should have the vent: -
ANSWER-Piped to a safe location & weather protected
The flow capacity (cfh) of a regulator is determined by - ANSWER-The
pressure differential and the orifice size
What is the main advantage of a regulator with a pitot tube? - ANSWER-
Droop is reduced
When ordering a gas pressure regulator you must know which of the
following? - ANSWER-The inlet pressure, outlet pressure, and the connected
load in cfh
, A room thermostat should be placed where it can measure: - ANSWER-The
average temperature of the room
Flashback creates burning in the mixing tube, incomplete combustion and
sooting of the burner. How could this problem be corrected - ANSWER-
Decrease the primary air and/or increase the pressure
In a Unitrol gas-fired water heater control, what is the purpose of the snap
operating mechanism? - ANSWER-To shut down the burner faster
This appliance shall NOT be installed where sleeping accommodation is
provided. - ANSWER-Direct fired make-up air heater
What are the minimum clearance from combustible material above a
residential-type gas range? - ANSWER-30
The response time of a combustion safety control is: - ANSWER-The time for
controls to react to flame failure
A hose connection to most vented appliances is: - ANSWER-Prohibited
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