HVAC TEST QUESTIONS WITH CORRECT
ANSWERS
Two locations where a cold air return should be installed - CORRECT
| | | | | | | | | | | |
ANSWER✔✔-open area of a wall and low to the ground | | | | | | | | |
Which of the following is the law of thermodynamics? - CORRECT
| | | | | | | | | | |
ANSWER✔✔-heat moves toward a place with lower intensity | | | | | | |
Sensible heat describes - CORRECT ANSWER✔✔-how hot something
| | | | | | | |
feels
Latent heat is measured in - CORRECT ANSWER✔✔-british thermal units
| | | | | | | | |
What is the amount of heat energy required to evaporate 1 pound of
| | | | | | | | | | | | |
water? - CORRECT ANSWER✔✔-970 btu
| | | |
In an air conditioning system and refrigeration system, what occurs in
| | | | | | | | | | |
the evaporator? - CORRECT ANSWER✔✔-the refrigerant absorbs the
| | | | | | | |
latent heat |
, In an air conditioning system and refrigeration system, what occurs in
| | | | | | | | | | |
the condenser? - CORRECT ANSWER✔✔-the refrigerant releases the
| | | | | | | |
latent heat |
In a sealed system, pressure and temperature - CORRECT ANSWER✔✔-
| | | | | | | | |
follow each other up and down
| | | | |
Which of the follow is not a type of compressor? lateral reciprocating
| | | | | | | | | | | |
rotary screw centrifugal - CORRECT ANSWER✔✔-lateral
| | | | |
In Fahrenheit, the boiling point of water is - CORRECT ANSWER✔✔-212
| | | | | | | | | | |
degrees
To change Fahrenheit to Celsius, which formula is used? - CORRECT
| | | | | | | | | | |
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 - CORRECT ANSWER✔✔-retraction
| | | | | | | |
What btu of heat is required to raise 1 pound of ice 1 degree F when the
| | | | | | | | | | | | | | | |
temperature is below 32 degrees F? - CORRECT ANSWER✔✔-.5
| | | | | | | | |
What btu of heat is required to raise 1 pound of steam 1 degree F above
| | | | | | | | | | | | | | |
the temperature of 212 degrees F? - CORRECT ANSWER✔✔-.5
| | | | | | | | |
ANSWERS
Two locations where a cold air return should be installed - CORRECT
| | | | | | | | | | | |
ANSWER✔✔-open area of a wall and low to the ground | | | | | | | | |
Which of the following is the law of thermodynamics? - CORRECT
| | | | | | | | | | |
ANSWER✔✔-heat moves toward a place with lower intensity | | | | | | |
Sensible heat describes - CORRECT ANSWER✔✔-how hot something
| | | | | | | |
feels
Latent heat is measured in - CORRECT ANSWER✔✔-british thermal units
| | | | | | | | |
What is the amount of heat energy required to evaporate 1 pound of
| | | | | | | | | | | | |
water? - CORRECT ANSWER✔✔-970 btu
| | | |
In an air conditioning system and refrigeration system, what occurs in
| | | | | | | | | | |
the evaporator? - CORRECT ANSWER✔✔-the refrigerant absorbs the
| | | | | | | |
latent heat |
, In an air conditioning system and refrigeration system, what occurs in
| | | | | | | | | | |
the condenser? - CORRECT ANSWER✔✔-the refrigerant releases the
| | | | | | | |
latent heat |
In a sealed system, pressure and temperature - CORRECT ANSWER✔✔-
| | | | | | | | |
follow each other up and down
| | | | |
Which of the follow is not a type of compressor? lateral reciprocating
| | | | | | | | | | | |
rotary screw centrifugal - CORRECT ANSWER✔✔-lateral
| | | | |
In Fahrenheit, the boiling point of water is - CORRECT ANSWER✔✔-212
| | | | | | | | | | |
degrees
To change Fahrenheit to Celsius, which formula is used? - CORRECT
| | | | | | | | | | |
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 - CORRECT ANSWER✔✔-retraction
| | | | | | | |
What btu of heat is required to raise 1 pound of ice 1 degree F when the
| | | | | | | | | | | | | | | |
temperature is below 32 degrees F? - CORRECT ANSWER✔✔-.5
| | | | | | | | |
What btu of heat is required to raise 1 pound of steam 1 degree F above
| | | | | | | | | | | | | | |
the temperature of 212 degrees F? - CORRECT ANSWER✔✔-.5
| | | | | | | | |
