1|Page
GAS CFESA TEST ACTUAL EXAM NEWEST 2025 |
ALL 100 QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) ALREADY GRADED A+|
NEWEST VERSION
The approximate amount of BTU's produced by burning one cubic foot
of natural gas is?
A) 10,000
B) 2500
C) 750
D) 1000 - ANSWER - D
The normal operating pressure of LP gas is_____?
A) 10-15 psi
B) 3-7 psi
C) 10-11 in WC"
D) 3-7 in WC" - ANSWER - C
The normal operating pressure of a typical natural gas type burner is
approximately:
A) 15-25 psi
B) 3-4 psi
C) 10-11 in WC"
D) 3.5-7 in WC" - ANSWER - D
pg. 1
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Make up air is:
A) The air that enters the venture of the burner
B) The air that mixes with the gas at the burner ports
C) The air that enters the room from the outside
D) The air that is taken out through the vent - ANSWER - C
LP gas, at the appliance, is_______?
A) Heavier than air
B) Light yellow
C) Lighter than air
D) Odorless - ANSWER - A
Ideally to burn one cubic foot of LP gas approximately______ cubic feet
of air is required.
A) 100
B) 24
C) 10
D) 44 - ANSWER - B
Natural gas coming out of a gas line piped into a building is:
A) Heavier than air
B) Light yellow
C) Lighter than air
pg. 2
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D) Odorless - ANSWER - C
Ideally 100 cubic feet of natural gas is burned, approximately______
feet of air is required for proper combustion.
A) 100
B) 500
C) 1000
D) 6000 - ANSWER - C
The amount of BTU's that can be produced from one cubic foot of LP
gas is approximately_____?
A) 10,000
B) 25,000
C) 2,500
D) 1000 - ANSWER - C
A combination gas valve replaces a separate manual shut off valve,
safety magnet, gas pressure
regulators, and ________.
A) thermocouple
B) thermopile
C) solenoid valve
D) high limit temperature control - ANSWER - C
pg. 3
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To check a thermocouple or thermopile you should use a _____.
A) Milliampmeter
B) A microvolt meter
C) An AC millivolt meter
D) A DC millivolt meter - ANSWER - D
Measuring static gas pressure will tell you if you have sufficient gas
______ to meet the required nameplate data.
A) No load pressure
B) Volume
C) Pressure and volume
D) Gas flow - ANSWER - A
A running pressure measurement will tell you if you have sufficient gas
_______ to allow the gas fired equipment to operate properly.
A) No load pressure
B) Volume
C) Pressure and volume
D) Gas flow - ANSWER - C
The minimum incoming gas pressure, before a gas pressure regulator,
must be _______.
A) The operating pressure rating on the equipment data plate
B) Determines by the utility company
pg. 4
GAS CFESA TEST ACTUAL EXAM NEWEST 2025 |
ALL 100 QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) ALREADY GRADED A+|
NEWEST VERSION
The approximate amount of BTU's produced by burning one cubic foot
of natural gas is?
A) 10,000
B) 2500
C) 750
D) 1000 - ANSWER - D
The normal operating pressure of LP gas is_____?
A) 10-15 psi
B) 3-7 psi
C) 10-11 in WC"
D) 3-7 in WC" - ANSWER - C
The normal operating pressure of a typical natural gas type burner is
approximately:
A) 15-25 psi
B) 3-4 psi
C) 10-11 in WC"
D) 3.5-7 in WC" - ANSWER - D
pg. 1
,2|Page
Make up air is:
A) The air that enters the venture of the burner
B) The air that mixes with the gas at the burner ports
C) The air that enters the room from the outside
D) The air that is taken out through the vent - ANSWER - C
LP gas, at the appliance, is_______?
A) Heavier than air
B) Light yellow
C) Lighter than air
D) Odorless - ANSWER - A
Ideally to burn one cubic foot of LP gas approximately______ cubic feet
of air is required.
A) 100
B) 24
C) 10
D) 44 - ANSWER - B
Natural gas coming out of a gas line piped into a building is:
A) Heavier than air
B) Light yellow
C) Lighter than air
pg. 2
,3|Page
D) Odorless - ANSWER - C
Ideally 100 cubic feet of natural gas is burned, approximately______
feet of air is required for proper combustion.
A) 100
B) 500
C) 1000
D) 6000 - ANSWER - C
The amount of BTU's that can be produced from one cubic foot of LP
gas is approximately_____?
A) 10,000
B) 25,000
C) 2,500
D) 1000 - ANSWER - C
A combination gas valve replaces a separate manual shut off valve,
safety magnet, gas pressure
regulators, and ________.
A) thermocouple
B) thermopile
C) solenoid valve
D) high limit temperature control - ANSWER - C
pg. 3
, 4|Page
To check a thermocouple or thermopile you should use a _____.
A) Milliampmeter
B) A microvolt meter
C) An AC millivolt meter
D) A DC millivolt meter - ANSWER - D
Measuring static gas pressure will tell you if you have sufficient gas
______ to meet the required nameplate data.
A) No load pressure
B) Volume
C) Pressure and volume
D) Gas flow - ANSWER - A
A running pressure measurement will tell you if you have sufficient gas
_______ to allow the gas fired equipment to operate properly.
A) No load pressure
B) Volume
C) Pressure and volume
D) Gas flow - ANSWER - C
The minimum incoming gas pressure, before a gas pressure regulator,
must be _______.
A) The operating pressure rating on the equipment data plate
B) Determines by the utility company
pg. 4
