GAS CFESA TEST ACTUAL EXAM NEWEST

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GAS CFESA TEST ACTUAL EXAM NEWEST |

ALL 100 QUESTIONS AND CORRECT ANSWERS

(VERIFIED ANSWERS) ALREADY GRADED A+|

NEWEST VERSION

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_____?

• 10-15 psi
• 3-7 psi
• 10-11 in WC"
• 3-7 in WC" - ANSWER - C

The normal operating pressure of a typical natural gas type burner is

approximately:

• 15-25 psi
• 3-4 psi
• 10-11 in WC"
• 3.5-7 in WC" - ANSWER - D 1 / 4

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Make up air is:

• The air that enters the venture of the burner
• The air that mixes with the gas at the burner ports
• The air that enters the room from the outside
• The air that is taken out through the vent - ANSWER - C

LP gas, at the appliance, is_______?

• Heavier than air
• Light yellow
• Lighter than air
• Odorless - ANSWER - A

Ideally to burn one cubic foot of LP gas approximately______ cubic feet of air is required.

A) 100

• 24
• 10

D) 44 - ANSWER - B

Natural gas coming out of a gas line piped into a building is:

• Heavier than air
• Light yellow
• Lighter than air 2 / 4

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• 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

A combination gas valve replaces a separate manual shut off valve, safety magnet, gas pressure regulators, and ________.

• thermocouple
• thermopile
• solenoid valve
• high limit temperature control - ANSWER - C
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pg. 4 To check a thermocouple or thermopile you should use a _____.

• Milliampmeter
• A microvolt meter
• An AC millivolt meter
• A DC millivolt meter - ANSWER - D

Measuring static gas pressure will tell you if you have sufficient gas ______ to meet the required nameplate data.

• No load pressure
• Volume
• Pressure and volume
• Gas flow - ANSWER - A

A running pressure measurement will tell you if you have sufficient gas _______ to allow the gas fired equipment to operate properly.

• No load pressure
• Volume
• Pressure and volume
• Gas flow - ANSWER - C

The minimum incoming gas pressure, before a gas pressure regulator, must be _______.

• The operating pressure rating on the equipment data plate
• Determines by the utility company
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