, ESCO Air Conditioning Exam – Complete
Practice Questions with Correct Answers
(HVAC Certification Prep, Superheat,
Subcooling, Components &
Troubleshooting)/ESCO Air Conditioning
Exam.
Heat which causes a change in temperature of a substance is called
Sensible heat
Heat added to a substance without a rise in temperature
Latent heat
Heat added to the refrigerant in a vapor state after the evaporation process is called
Superheat
Scroll compressor move refrigerant by
Involute Spirals
The movement of heat by way of fluid is called
Convection
The movement of heat by direct contact is
Conduction
The standard unit for measuring the quantity of heat in a substance is
BTUs
Refrigerant gives up heat when
It condenses
Why must refrigerant in the suction line be slightly warmer than the saturation temperature?
Prevent liquid slugging of the compressor
Practice Questions with Correct Answers
(HVAC Certification Prep, Superheat,
Subcooling, Components &
Troubleshooting)/ESCO Air Conditioning
Exam.
Heat which causes a change in temperature of a substance is called
Sensible heat
Heat added to a substance without a rise in temperature
Latent heat
Heat added to the refrigerant in a vapor state after the evaporation process is called
Superheat
Scroll compressor move refrigerant by
Involute Spirals
The movement of heat by way of fluid is called
Convection
The movement of heat by direct contact is
Conduction
The standard unit for measuring the quantity of heat in a substance is
BTUs
Refrigerant gives up heat when
It condenses
Why must refrigerant in the suction line be slightly warmer than the saturation temperature?
Prevent liquid slugging of the compressor
