Refrigeration and Air Condition
Technology Exam Questions and
Answers
What controls the rate of heat transfer from the return air to the colder liquid refrigerant
inside of the evaporator coil? - Answer- a designed evaporator temperature difference
of 35 degrees Fahrenheit
Controlling the cleanliness of the air completes is also a part of the air-conditioning
system? - Answer- true
How do we control the cleanliness of the air? - Answer- by the use of a high efficiency
air filter
Air condition industry definition is - Answer- the system can control the temperature,
humidity and cleanliness of the air
What is definition of heat - Answer- stored energy
What is temperature a measurement of? - Answer- heat intensity
A measure of heat quantity: - Answer- BTU's
BTU - Answer- British Thermal Unit
Amount of BTU required to raise one pound of water one degree Fahrenheit - Answer-
one
What is sensible heat? - Answer- Heat that can be measured on a thermometer and
causes a change in temperature, but not a change of state.
What is latent heat? - Answer- Heat that will cause a change of state but cannot be
measured on a thermometer.
What is another term for hidden heat? - Answer- latent heat
Technology Exam Questions and
Answers
What controls the rate of heat transfer from the return air to the colder liquid refrigerant
inside of the evaporator coil? - Answer- a designed evaporator temperature difference
of 35 degrees Fahrenheit
Controlling the cleanliness of the air completes is also a part of the air-conditioning
system? - Answer- true
How do we control the cleanliness of the air? - Answer- by the use of a high efficiency
air filter
Air condition industry definition is - Answer- the system can control the temperature,
humidity and cleanliness of the air
What is definition of heat - Answer- stored energy
What is temperature a measurement of? - Answer- heat intensity
A measure of heat quantity: - Answer- BTU's
BTU - Answer- British Thermal Unit
Amount of BTU required to raise one pound of water one degree Fahrenheit - Answer-
one
What is sensible heat? - Answer- Heat that can be measured on a thermometer and
causes a change in temperature, but not a change of state.
What is latent heat? - Answer- Heat that will cause a change of state but cannot be
measured on a thermometer.
What is another term for hidden heat? - Answer- latent heat
