Natural Gas questions well answered
to pass
Any existing code violations must be reported to the ___ in writing - correct answer ✔✔owner
All gas fired burner must be installed with a properly installed and operating ___ (what shuts off
the system when there isn't proper water flow) - correct answer ✔✔low water cut-off
Where is the low water cut off never installed? - correct answer ✔✔Below the crown sheet
Where may the low water cut off be installed if not directly in the boiler? - correct answer
✔✔On the main supply line (vertical riser) as close to boiler as possible, or in water column of
continuous piping attached directly to boiler
No valves or obstructions shall be installed between boiler and ___ - correct answer ✔✔safety
controls
Licensee must retain a copy of heat loss system design and system load calculations so that it
may be produced for... - correct answer ✔✔inspection upon request from the board
Installer must obtain written verification from the manufacturer of the appliance when
converting... - correct answer ✔✔appliance from gas to another fuel source (below 400,000
btu)
Oil tank requirement when converting to an alternative fuel: fill pipe must be removed
completely and tank must be plugged... - correct answer ✔✔...with a threaded black iron plug