Gas CFESA Practice Test Exam 2025 GAS
CFESA Practice Actual Exam Latest Update
2025 Questions and Correct Answers Rated
A+
Every time a gas fired convection oven shuts off the gas flow to the burners
there is a loud pop.
The oven is rated for and using LP gas. The noise is called_____, and can
be reduced by____ the
burner air shutters more.
A) Extinction pop, opening
B) Delayed ignition, closing
C) Delayed ignition, opening
D) Extinction pop and by closing - ANSWER-D
If a leak develops in an LP gas line, where is the gas likely to go?
A) Out the exhaust system
B) To the lowest level in the room
C) Up to the ceiling area
D) Out of the kitchen under the door - ANSWER-B
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
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
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
, The purpose of a draft hood/draft diverter is_______?
A) To prevent drafts from entering the burner compartment that comes from
the power cent
hoods.
B) To prevent the combustion chamber from overheating, and allowing air
to come down the
vent pipe into the room.
C) To allow the flue to control the amount of secondary air drawn in instead
of the vent pipe,
and to prevent air from coming back down the vent into the combustion
chamber
D) To allow the vent pipe to control the amount of secondary air drawn into
the combustion
chamber as designed by its height above the hood. - ANSWER-C
The two primary functions of the flue are____?
A) The remove combustion byproducts and heat from the equipment
B) To create a draft to pull in secondary air and remove the byproducts
form the combustion
chamber
C) To create a draft to keep the burners cool and remove byproducts from
the cooking area
D) To remove the excessive heat to keep the burners, and cooking surface
from overheating - ANSWER-B
To solve unusual venting problems like negative pressure, high winds, long
vents, the installe
CFESA Practice Actual Exam Latest Update
2025 Questions and Correct Answers Rated
A+
Every time a gas fired convection oven shuts off the gas flow to the burners
there is a loud pop.
The oven is rated for and using LP gas. The noise is called_____, and can
be reduced by____ the
burner air shutters more.
A) Extinction pop, opening
B) Delayed ignition, closing
C) Delayed ignition, opening
D) Extinction pop and by closing - ANSWER-D
If a leak develops in an LP gas line, where is the gas likely to go?
A) Out the exhaust system
B) To the lowest level in the room
C) Up to the ceiling area
D) Out of the kitchen under the door - ANSWER-B
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
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
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
, The purpose of a draft hood/draft diverter is_______?
A) To prevent drafts from entering the burner compartment that comes from
the power cent
hoods.
B) To prevent the combustion chamber from overheating, and allowing air
to come down the
vent pipe into the room.
C) To allow the flue to control the amount of secondary air drawn in instead
of the vent pipe,
and to prevent air from coming back down the vent into the combustion
chamber
D) To allow the vent pipe to control the amount of secondary air drawn into
the combustion
chamber as designed by its height above the hood. - ANSWER-C
The two primary functions of the flue are____?
A) The remove combustion byproducts and heat from the equipment
B) To create a draft to pull in secondary air and remove the byproducts
form the combustion
chamber
C) To create a draft to keep the burners cool and remove byproducts from
the cooking area
D) To remove the excessive heat to keep the burners, and cooking surface
from overheating - ANSWER-B
To solve unusual venting problems like negative pressure, high winds, long
vents, the installe
