1
2015 INTERNATIONAL FUEL GAS CODE EXAM
NEWEST 2025 ACTUAL EXAM QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+
A valve designed to activate when fuel gas passing through it exceeds a
prescribed flow rate is a ___________________.
A. Excess flow valve
B. Lubricated plug-type valve
C. Automatic valve
D. Flashback arrestor check valve - (answers)A. Excess flow valve
definitions page 13
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.
A. Category I
B. Category II
C. Category III
D. Category IV - (answers)B. Category II
, 2
definitions page 18
Holes bored in a floor joist shall not exceed _________ their depth.
A. 1/8
B. 1/4
C. 1/3
D. 1/2 - (answers)C. 1/3
302.3.2
Bored holes shall no be greater than ________ of the stud depth in non-load
bearing walls where each bored stud is doubled.
A. 65%
B. 60%
C. 40%
D. 25% - (answers)B. 60%
302.3.4
, 3
Gas appliances shall not be located in a _____________ unless it meets one of the
approved exceptions.
A. Garage
B. Attic
C. Bathroom
D. Laundry room - (answers)C. Bathroom
303.3
A single wall mounted unvented natural gas room heater equipped with an
oxygen depletion safety system may be installed in a ______________.
A. bathroom if it is 6,000 btu's or less
B. bathroom if it is 8,000 btu's or less
C. bedroom if it is 6,000 btu's or less
D. bedroom if it is 8,000 btu's or less - (answers)A. bathroom if it is 6,000 btu's or
less
303.3 exception 3
Indoor combustion air for gas appliances using the standard method is sized
based on ____ cubic feet per 1,000 btu/h of the appliance input rating.
2015 INTERNATIONAL FUEL GAS CODE EXAM
NEWEST 2025 ACTUAL EXAM QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+
A valve designed to activate when fuel gas passing through it exceeds a
prescribed flow rate is a ___________________.
A. Excess flow valve
B. Lubricated plug-type valve
C. Automatic valve
D. Flashback arrestor check valve - (answers)A. Excess flow valve
definitions page 13
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.
A. Category I
B. Category II
C. Category III
D. Category IV - (answers)B. Category II
, 2
definitions page 18
Holes bored in a floor joist shall not exceed _________ their depth.
A. 1/8
B. 1/4
C. 1/3
D. 1/2 - (answers)C. 1/3
302.3.2
Bored holes shall no be greater than ________ of the stud depth in non-load
bearing walls where each bored stud is doubled.
A. 65%
B. 60%
C. 40%
D. 25% - (answers)B. 60%
302.3.4
, 3
Gas appliances shall not be located in a _____________ unless it meets one of the
approved exceptions.
A. Garage
B. Attic
C. Bathroom
D. Laundry room - (answers)C. Bathroom
303.3
A single wall mounted unvented natural gas room heater equipped with an
oxygen depletion safety system may be installed in a ______________.
A. bathroom if it is 6,000 btu's or less
B. bathroom if it is 8,000 btu's or less
C. bedroom if it is 6,000 btu's or less
D. bedroom if it is 8,000 btu's or less - (answers)A. bathroom if it is 6,000 btu's or
less
303.3 exception 3
Indoor combustion air for gas appliances using the standard method is sized
based on ____ cubic feet per 1,000 btu/h of the appliance input rating.
