1
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Gas CFESA Practice Test Questions and
Answers (100% Correct Answers) Already
Graded A+
The purpose of a draft hood/draft diverter is_______?
A) To prevent drafts from entering the burner compartment that
comes from the power cent
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hoods.
B) To prevent the combustion chamber from overheating, and
allowing air to come down the
vent pipe into the room.
Guru01 - Stuvia
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.—Ans: 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—Ans: B
, 2
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To solve unusual venting problems like negative pressure, high
winds, long vents, the installe
should use_____?
A) A larger size vent pipe
B) Vent outlets
C) Vent top turbines
D) A draft hood—Ans: D
What is a bypass flame?
A) The smallest flame that will keep the burners lit after the gas
thermostat has reached the
© 2025 Assignment Expert
temperature set point
B) A flame that is 3/8" tall after the thermostat shuts off
C) A flame left on the burner to keep the pilot form going out
Guru01 - Stuvia
D) A flame to a special part of the burner after the main burner
goes off—Ans: A
The primary purpose of a vent on a regulator is to:
A) Vent leaking gas
B) Allow diaphragm movement
C) Allow high pressure
D) Monitor flow—Ans: B
A properly burning infrared ceramic burner will look______?
A) Blue
B) Bright reddish orange
C) Dull red
D) Blue with a tint of orange—Ans: B
Vent lines are required on regulators above 1" and must be
vented:
A) A pilot flame
B) An open flame within 2 feet
, 3
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C) A working flue or exhaust system
D) The outside atmosphere, above the snow line—Ans: D
What is the proper flame current for an ignition module?
A) Always 3 or more microamps
B) Always ¼ or more microamps
C) It depends on the module manufacturer
D) Always 2 or more microamps—Ans: C
Primary air is the air______?
A) That surrounds the burner
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B) That enters the burner though the venture
C) Is the air that is vented through the exhaust system
D) That must always have a pressure greater than the incoming
gas pressure—Ans: B
Guru01 - Stuvia
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—Ans: 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—Ans: B
The approximate amount of BTU's produced by burning one cubic
foot of natural gas is?
For Expert help and assignment solutions, +254707240657
Gas CFESA Practice Test Questions and
Answers (100% Correct Answers) Already
Graded A+
The purpose of a draft hood/draft diverter is_______?
A) To prevent drafts from entering the burner compartment that
comes from the power cent
© 2025 Assignment Expert
hoods.
B) To prevent the combustion chamber from overheating, and
allowing air to come down the
vent pipe into the room.
Guru01 - Stuvia
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.—Ans: 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—Ans: B
, 2
For Expert help and assignment solutions, +254707240657
To solve unusual venting problems like negative pressure, high
winds, long vents, the installe
should use_____?
A) A larger size vent pipe
B) Vent outlets
C) Vent top turbines
D) A draft hood—Ans: D
What is a bypass flame?
A) The smallest flame that will keep the burners lit after the gas
thermostat has reached the
© 2025 Assignment Expert
temperature set point
B) A flame that is 3/8" tall after the thermostat shuts off
C) A flame left on the burner to keep the pilot form going out
Guru01 - Stuvia
D) A flame to a special part of the burner after the main burner
goes off—Ans: A
The primary purpose of a vent on a regulator is to:
A) Vent leaking gas
B) Allow diaphragm movement
C) Allow high pressure
D) Monitor flow—Ans: B
A properly burning infrared ceramic burner will look______?
A) Blue
B) Bright reddish orange
C) Dull red
D) Blue with a tint of orange—Ans: B
Vent lines are required on regulators above 1" and must be
vented:
A) A pilot flame
B) An open flame within 2 feet
, 3
For Expert help and assignment solutions, +254707240657
C) A working flue or exhaust system
D) The outside atmosphere, above the snow line—Ans: D
What is the proper flame current for an ignition module?
A) Always 3 or more microamps
B) Always ¼ or more microamps
C) It depends on the module manufacturer
D) Always 2 or more microamps—Ans: C
Primary air is the air______?
A) That surrounds the burner
© 2025 Assignment Expert
B) That enters the burner though the venture
C) Is the air that is vented through the exhaust system
D) That must always have a pressure greater than the incoming
gas pressure—Ans: B
Guru01 - Stuvia
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—Ans: 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—Ans: B
The approximate amount of BTU's produced by burning one cubic
foot of natural gas is?
