GAS CFESA TEST (ACTUAL TEST 2025) | ALL 100
QUESTIONS AND CORRECT ANSWERS | ALREADY
GRADED A+ | LATEST EXAM | VERIFIED ANSWERS
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____?
COPYRIGHT © 2025 BY OLIVIA GREENWAYS, ALL RIGHTS RESERVED 1
,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
should use_____?
A) A larger size vent pipe
B) Vent outlets
C) Vent top turbines
D) A draft hood - ANSWER✔✔-D
What is a bypass flame?
A) The smallest flame that will keep the burners lit after the gas thermostat has reached
the
COPYRIGHT © 2025 BY OLIVIA GREENWAYS, ALL RIGHTS RESERVED 2
,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
D) A flame to a special part of the burner after the main burner goes off - ANSWER✔✔-
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 - ANSWER✔✔-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 - ANSWER✔✔-B
Vent lines are required on regulators above 1" and must be vented:
A) A pilot flame
COPYRIGHT © 2025 BY OLIVIA GREENWAYS, ALL RIGHTS RESERVED 3
, B) An open flame within 2 feet
C) A working flue or exhaust system
D) The outside atmosphere, above the snow line - ANSWER✔✔-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 - ANSWER✔✔-C
Primary air is the air______?
A) That surrounds the burner
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 -
ANSWER✔✔-B
Every time a gas fired convection oven shuts off the gas flow to the burners there is a
loud pop.
COPYRIGHT © 2025 BY OLIVIA GREENWAYS, ALL RIGHTS RESERVED 4
QUESTIONS AND CORRECT ANSWERS | ALREADY
GRADED A+ | LATEST EXAM | VERIFIED ANSWERS
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____?
COPYRIGHT © 2025 BY OLIVIA GREENWAYS, ALL RIGHTS RESERVED 1
,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
should use_____?
A) A larger size vent pipe
B) Vent outlets
C) Vent top turbines
D) A draft hood - ANSWER✔✔-D
What is a bypass flame?
A) The smallest flame that will keep the burners lit after the gas thermostat has reached
the
COPYRIGHT © 2025 BY OLIVIA GREENWAYS, ALL RIGHTS RESERVED 2
,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
D) A flame to a special part of the burner after the main burner goes off - ANSWER✔✔-
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 - ANSWER✔✔-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 - ANSWER✔✔-B
Vent lines are required on regulators above 1" and must be vented:
A) A pilot flame
COPYRIGHT © 2025 BY OLIVIA GREENWAYS, ALL RIGHTS RESERVED 3
, B) An open flame within 2 feet
C) A working flue or exhaust system
D) The outside atmosphere, above the snow line - ANSWER✔✔-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 - ANSWER✔✔-C
Primary air is the air______?
A) That surrounds the burner
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 -
ANSWER✔✔-B
Every time a gas fired convection oven shuts off the gas flow to the burners there is a
loud pop.
COPYRIGHT © 2025 BY OLIVIA GREENWAYS, ALL RIGHTS RESERVED 4
