4/6/25, 9:50 CFESA GAS - CH 5 Gas Pressure |
AM
CFESA GAS - CH 5 GAS PRESSURE EXAM QUESTIONS AND
ANSWERS WITH COMPLETE SOLUTIONS VERIFIED LATEST
UPDATE
Describe in detail how you will Use Manometer to measure gas pressure with all equip turned
determine if a gas problem is a off. Than, turn on one piece at a time & monitor gas pressure. If
pressure problem or a volume pressure continues to drop each time additional equipment is
problem. turned on, gas volume is the problem.
1) additional equipment not originally planned for has been
Why are so many gas lines
added 2) do-it- yourself installs where domestic gas lines are
undersized?
used
What is a manometer? A gauge used to measure pressure in units of inches of water column.
In what units do you measure gas Inches of water column.
pressure?
Gas is connected to one side of a U Tube manometer. The
pressure pushes water down on one side of the U-Tube and up
How does a water manometer on the other side. The pressure is equal to distance pushed on
work? water down on one side, plus the distance it pushed the
water up on the other side.
Which type of manometer is most Water tube manometer's are considered the most accurate, as
accurate? they cannot fall out of calibration.
What does a gas pressure of 4 The water level would be 2 inches under on one side and 2
inches wc look like on a U-Tube inches above zero on the other side.
manometer?
Should the burners be on or off All burners should be on when checking gas pressure.
when checking gas pressure?
What is static pressure? It is the pressure measured with all the equipment turned off.
What is the static pressure To tell if you have sufficient incoming pressure.
reading good for?
What is meant by running pressure? It is the pressure measured with all the burners turned on.
1/
2
AM
CFESA GAS - CH 5 GAS PRESSURE EXAM QUESTIONS AND
ANSWERS WITH COMPLETE SOLUTIONS VERIFIED LATEST
UPDATE
Describe in detail how you will Use Manometer to measure gas pressure with all equip turned
determine if a gas problem is a off. Than, turn on one piece at a time & monitor gas pressure. If
pressure problem or a volume pressure continues to drop each time additional equipment is
problem. turned on, gas volume is the problem.
1) additional equipment not originally planned for has been
Why are so many gas lines
added 2) do-it- yourself installs where domestic gas lines are
undersized?
used
What is a manometer? A gauge used to measure pressure in units of inches of water column.
In what units do you measure gas Inches of water column.
pressure?
Gas is connected to one side of a U Tube manometer. The
pressure pushes water down on one side of the U-Tube and up
How does a water manometer on the other side. The pressure is equal to distance pushed on
work? water down on one side, plus the distance it pushed the
water up on the other side.
Which type of manometer is most Water tube manometer's are considered the most accurate, as
accurate? they cannot fall out of calibration.
What does a gas pressure of 4 The water level would be 2 inches under on one side and 2
inches wc look like on a U-Tube inches above zero on the other side.
manometer?
Should the burners be on or off All burners should be on when checking gas pressure.
when checking gas pressure?
What is static pressure? It is the pressure measured with all the equipment turned off.
What is the static pressure To tell if you have sufficient incoming pressure.
reading good for?
What is meant by running pressure? It is the pressure measured with all the burners turned on.
1/
2
