HVAC TEST QUESTIONS WITH 100% CORRECT SOLUTIONS ALREADY PASSED!!

Two locations where a cold air return should be installed - Answer-open area of a wall and low to the ground Which of the following is the law of thermodynamics? - Answer-heat moves toward a place with lower intensity Sensible heat describes - Answer-how hot something feels Latent heat is measured in - Answer-british thermal units What is the amount of heat energy required to evaporate 1 pound of water? - Answer-970 btu In an air conditioning system and refrigeration system, what occurs in the evaporator? - Answer-the refrigerant absorbs the latent heat In an air conditioning system and refrigeration system, what occurs in the condenser? - Answer-the refrigerant releases the latent heat In a sealed system, pressure and temperature - Answer-follow each other up and down Which of the follow is not a type of compressor? lateral reciprocating rotary screw centrifugal - Answer-lateral In Fahrenheit, the boiling point of water is - Answer-212 degrees To change Fahrenheit to Celsius, which formula is used? - Answer-C= (F-32) /1.8 Which is not a method by which heat may be transferred from a warmer substance to a colder substance - Answer-retractionWhat btu of heat is required to raise 1 pound of ice 1 degree F when the temperature is below 32 degrees F? - Answer-.5 What btu of heat is required to raise 1 pound of steam 1 degree F above the temperature of 212 degrees F? - Answer-.5 A day-ton of refrigeration is the amount of refrigeration produced by melting 1 ton of ice at a temperature of 32 degrees F in 24 hours - Answer-true Ice exerts pressure - Answer-downwards Pressure is usually measured in - Answer-pounds per square inch