HVAC Journeyman Test Final Exam Questions with Answers Verified

HVAC Journeyman Test Final Exam Questions with Answers Verified Sensible Heat - CORRECT ANSWER-Heat that can be Measured Specific Heat - CORRECT ANSWER-The Amount of Heat Required to Raise 1 LB of a Substance 1*F Latent Heat - CORRECT ANSWER-Heat used to cause change of state. BTU - CORRECT ANSWER-amount of heat required to raise 1LB of water 1*F One Ton of Refrigeration - CORRECT ANSWER-2000 x 144 x 24,288,000 Btu/24hours, and 12,000 Btu/hr A Room Thermostat Should be Mounted - CORRECT ANSWER-5 feet from the floor To Provide Proper Oil Return to the Compressor - CORRECT ANSWER-Suction line must be pitched towards compressor. What is the External Equalizer on a TXV for? - CORRECT ANSWER-To offset the pressure drop across the evaporator. What is the Minimum Bending Radius of 1" soft Copper? - CORRECT ANSWER-5" What is the Heating Value of Natural Gas? - CORRECT ANSWER-1,000 BTU/cu FT. What is the Purpose of Fan Control? - CORRECT ANSWER-Start and Stop the Fan Motor What is a Limit Control? - CORRECT ANSWER-De-Energizes the gas firing circuit upon high bonnet temps. What is a unconfined space? - CORRECT ANSWER-A space whose volume is greater than 50 ./ 1,000 BTU/h of total input of all gas fired appliances. Total free area of a 15" x 24" combustion air opening used with a metal grill with a unknown free area? - CORRECT ANSWER-2