HVAC Journeyman Questions and Correct Answers

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HVAC Journeyman Test Questions and
Correct Answers

Question: Sensible Heat
Answer: Heat that can be Measured


Question: Specific Heat
Answer: The Amount of Heat Required to Raise 1 LB of a Substance 1*F


Question: Latent Heat
Answer: Heat used to cause change of state.


Question: BTU
Answer: amount of heat required to raise 1LB of water 1*F


Question: One Ton of Refrigeration
Answer: 2000 x 144 x 24,288,000 Btu/24hours, and 12,000 Btu/hr


Question: A Room Thermostat Should be Mounted
Answer: 5 feet from the floor


Question: To Provide Proper Oil Return to the Compressor
Answer: Suction line must be pitched towards compressor.


Question: What is the External Equalizer on a TXV for?
Answer: To offset the pressure drop across the evaporator.


Question: What is the Minimum Bending Radius of 1" soft Copper?
Answer: 5"


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