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HVAC Journeyman Test Questions and Correct Answers/ Latest Update / Already Graded

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Sensible Heat Ans: Heat that can be Measured Specific Heat Ans: The Amount of Heat Required to Raise 1 LB of a Substance 1*F Latent Heat Ans: Heat used to cause change of state. BTU Ans: amount of heat required to raise 1LB of water 1*F One Ton of Refrigeration

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March 22, 2025
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Written in
2024/2025
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HVAC Journeyman Test Questions and
Correct Answers/ Latest Update /
Already Graded
Sensible Heat


Ans: Heat that can be Measured




Specific Heat


Ans: The Amount of Heat Required to Raise 1 LB of a Substance 1*F




Latent Heat


Ans: Heat used to cause change of state.




BTU


Ans: amount of heat required to raise 1LB of water 1*F




One Ton of Refrigeration

, 2 | Page

Ans: 2000 x 144 x 24,288,000 Btu/24hours, and 12,000 Btu/hr




A Room Thermostat Should be Mounted


Ans: 5 feet from the floor




To Provide Proper Oil Return to the Compressor


Ans: Suction line must be pitched towards compressor.




What is the External Equalizer on a TXV for?


Ans: To offset the pressure drop across the evaporator.




What is the Minimum Bending Radius of 1" soft Copper?


Ans: 5"




What is the Heating Value of Natural Gas?
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