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IFGC Test Questions and Correct
Answers the Latest Update
A valve designed to activate when the fuel gas passing through it exceeds a
prescribed flow rate
✓ Excess Flow Valve
An appliance that operates with a non-positive vent static pressure and with a
vent gas temperature that is capable of causing excessive condensate
production in the vent is a ______ appliance.
✓ Category II
Holes bored in a floor joist shall not exceed _____ their depth.
✓ 1/3
Bored holes shall not be greater than _____ of the stud depth in non-load
bearing walls where each bored stud is doubled.
✓ 60%
Gas appliances shall not be located in a _____ unless it meets one of the
approved exceptions.
✓ Bathroom
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A single wall mounted unvented natural gas room heater equipped with an
oxygen depletion safety system may be installed in a _____.
✓ Bathroom if it is 6000 BTUs or less
Indoor combustion air for gas appliances using the standard method is sized
based on a _____ cubic feet per 1000 BTU/H of the appliance input rating.
✓ 50
How many cubic feet of space would be required to use the standard method of
combustion air for gas appliances if you had a space with a 60,000 BTU fan
assisted furnace, 34,000 BTU natural draft water heater and a 28,000 BTU gas
dryer
✓ 6100 CU FT
What would the maximum gas appliance BTU input be for an open basement
measuring 26' x 52' with an 8' ceiling to be able to use the standard combustion
air method?
✓ 216,320
When combining spaces on the same story to obtain the required combustion
air for gas appliances each opening shall be sized a minimum of 1 sq in for the
total input rating of all gas appliances but not less than _____ sq in.
✓ 100 sq in
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