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JUST FOR FUN TEST 4
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At locations where regulators might be submerged during floods, a special anti-flood breather vent fitting shall be installed, or a vent shall be what?
Extended to the level of the water
Extended above the height of the expected flood waters
Left as a standard vent configuration
None of these
The vent piping or stack on a pressure relieving device shall be at least what?
Larger size than the outlet
At least the same size as the outlet
Always 2 times as large
Always smaller
Each gas outlet, including a valve or cock outlet, shall be closed tight with what after installation or service?
PVC Cap
Solder
Treaded plug or cap
None of the above
Gas test pressure shall be measured with what?
Nothing
Refrigerant gages
Manometer
Manometer or with a pressure measuring device designed and calibrated to read, record, or indicate a pressure loss during the test pressure period
What should the test pressure be for systems that don't exceed 125 psi?
Shall not be less than 1 1/2 times the proposed working pressure, but not less than 3 psi, irrespective of the design pressure
Shall not be less than 2 1/2 times the proposed working pressure, but not less than 3 psi, irrespective of the design pressure
Shall not be less than 3 1/2 times the proposed working pressure, but not less than 3 psi, irrespective of the design pressure
Shall not be less than 4 1/2 times the proposed working pressure, but not less than 3 psi, irrespective of the design pressure
Whenever a chance to perform a leak check presents itself, what should the results be?
No gas leaks
Small minor leaks okay
Ensuring a safe system
None of the above
Any gas that is relieved by a gas pressure regulator must be what?
Vented at the device
Vented to the indoors
Never vented
Must be vented safely to the outdoors to prevent the accumulation of potentially dangerous concentrations of gas indoors
Typically what amount of air is required to burn 1 cubic foot of natural gas?
20 cubic feet
30 cubic feet
40 cubic feet
50 cubic feet
The 1/20th rule indicates for each cubic foot of room volume, you can install how many input units in Btu/h of heating equipment?
10 Btu/h
10 Btu/h
20 Btu/h
30 Btu/h
Do gas regulators need to be vented independently
Yes
No
Maybe
None of the above
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