CFESA Gas Exam 2025/2026 Most Recent Exam / Actual
Complete Real Exam Questions And Correct Answers
(Verified Answers) Already Graded / A+ Guaranteed
Success!! Newest Exam / Just Released!!
What controls the primary air to a burner? - ANSWER-Air
shutters at the end of
the
venturi
What controls the secondary air to a burner? - ANSWER-The
draft developed
by the
flue
Give the step-by-step procedure for adjusting the primary air on
a burner - ANSWER-Verify the proper gas pressure, close off
the air shutter until the flame turns yellow, the open it up until
the flame turns blue and lock it down
What indicates a burner needs a primary air adjustment? -
ANSWER-yellow
flames
,What indicates that a burner has a secondary air problem?
- ANSWER-the
flames floating off the burner with no
defined shape
What is meant by the term "port loading"? - ANSWER-the
volume of gas/air
mixture at the
burner port
What causes flashback? - ANSWER-low port loading with a fast
burning gas
What causes extinction pop? - ANSWER-No port loading with
the faster burning
gas.
What can be done to minimize extinction pop? - ANSWER-
Adjust air shutters to
the minimum setting to maintain a
blue flame.
Where does the flame burn on a ceramic tile infrared burner? -
ANSWER-one
the surface of the
tiles
Infrared burners are very sensitive to what detail on the
equipment data plate? -
,ANSWER-gas
pressure
Infrared burner need which kind of air to burn? - ANSWER-100%
primary air
Can infrared burners be repaired? - ANSWER-Some can be
rebuilt as long as
the burner box is in good
shape.
What is the big advantage to infrared burners? - ANSWER-
they are energy
efficient, produce a very high heat, and sear meat to
keep juices in
What usually causes the decay of the seals between the
tiles of infrared
burners? - ANSWER-excessive gas pressure, or overheating of
the burner box
Why are infrared burners so popular on broilers? - ANSWER-
They sear the
outside of the meat quickly, maintaining the juices
within the meat
What are the two functions of the primary air on an infrared
burner? - ANSWER-
, support the combustion and cool the
burner box
What color should the surface of an infrared burner be? -
ANSWER-Bright
orange or
red
What does a blue colored flame indicate on an infrared
burner? - ANSWER-
either too much or too little
primary air
Why is gas pressure so important for impingement target
burners? - ANSWER-if gas pressure is too low, the flames burn
at the bracket rather than at the target
What happens as you increase the flame size on a non-aerated
pilot burner? -
ANSWER-the flames lift off the
burner
Describe the proper flame for an aerated pilot burner -
ANSWER-the flame will
be clear, blue, and well
defined
Complete Real Exam Questions And Correct Answers
(Verified Answers) Already Graded / A+ Guaranteed
Success!! Newest Exam / Just Released!!
What controls the primary air to a burner? - ANSWER-Air
shutters at the end of
the
venturi
What controls the secondary air to a burner? - ANSWER-The
draft developed
by the
flue
Give the step-by-step procedure for adjusting the primary air on
a burner - ANSWER-Verify the proper gas pressure, close off
the air shutter until the flame turns yellow, the open it up until
the flame turns blue and lock it down
What indicates a burner needs a primary air adjustment? -
ANSWER-yellow
flames
,What indicates that a burner has a secondary air problem?
- ANSWER-the
flames floating off the burner with no
defined shape
What is meant by the term "port loading"? - ANSWER-the
volume of gas/air
mixture at the
burner port
What causes flashback? - ANSWER-low port loading with a fast
burning gas
What causes extinction pop? - ANSWER-No port loading with
the faster burning
gas.
What can be done to minimize extinction pop? - ANSWER-
Adjust air shutters to
the minimum setting to maintain a
blue flame.
Where does the flame burn on a ceramic tile infrared burner? -
ANSWER-one
the surface of the
tiles
Infrared burners are very sensitive to what detail on the
equipment data plate? -
,ANSWER-gas
pressure
Infrared burner need which kind of air to burn? - ANSWER-100%
primary air
Can infrared burners be repaired? - ANSWER-Some can be
rebuilt as long as
the burner box is in good
shape.
What is the big advantage to infrared burners? - ANSWER-
they are energy
efficient, produce a very high heat, and sear meat to
keep juices in
What usually causes the decay of the seals between the
tiles of infrared
burners? - ANSWER-excessive gas pressure, or overheating of
the burner box
Why are infrared burners so popular on broilers? - ANSWER-
They sear the
outside of the meat quickly, maintaining the juices
within the meat
What are the two functions of the primary air on an infrared
burner? - ANSWER-
, support the combustion and cool the
burner box
What color should the surface of an infrared burner be? -
ANSWER-Bright
orange or
red
What does a blue colored flame indicate on an infrared
burner? - ANSWER-
either too much or too little
primary air
Why is gas pressure so important for impingement target
burners? - ANSWER-if gas pressure is too low, the flames burn
at the bracket rather than at the target
What happens as you increase the flame size on a non-aerated
pilot burner? -
ANSWER-the flames lift off the
burner
Describe the proper flame for an aerated pilot burner -
ANSWER-the flame will
be clear, blue, and well
defined
