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Air Conditioning Certification Questions and
Answers (100% Correct Answers) Already
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Q: sensible heat
Ans✅ ✅: Heat that causes change in temperature of a substance
Q: latent heat
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Ans✅ ✅: Heat that is added with out a rise in temperature
Q: super heat
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Ans✅ ✅: Heat added to refrigerant in vapor state after evaporation process is
Q: involute spirals
Ans✅ ✅: Scroll compressor moves refrigerant by means of
Q: convection
Ans✅ ✅: movement of heat by way of fluid or air
Q: conduction
Ans✅ ✅: movement of heat by way of solid
Q: BTU
Ans✅ ✅: Standard unit for measuring heat
Q: Condensor
Ans✅ ✅: refrigerant gives up heat in the
, 2
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Q: liquid slugging
Ans✅ ✅: refrigerant in suction line must be slightly warmer than the saturation
temperature to prevent
Q: low
Ans✅ ✅: state of refrigerant in the suction line is ____ pressure _____ temp vapor
Q: High
Ans✅ ✅: state of refrigerant entering the condensor would be ______ pressure
______ superheated vapor
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Q: evaporator
Ans✅ ✅: transfers heat from refrigerated space to the refrigerant
Q: flammability
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Ans✅ ✅: which is not a thermo-dynamic property of refrigerants
Q: Compression, condensation, expansion and vaporization
Ans✅ ✅: the sequential order of steps in vapor-compression process
Q: 201 psig
Ans✅ ✅: 30 lbs cylinder of R410A sits overnight at 70 degrees would have a
pressure of
Q: inches of water column (WC)
Ans✅ ✅: fan airflow pressures are usually measured in
Q: 0 psia
Ans✅ ✅: pressure that cannot be further reduced
Q: 0 psig