Air Conditioning Exam 2024|2024 Questions With Correct Answers

Water will vaporize at ________ temperature in a 28 in hg vacuum {Ans: 10°F}The movement of heat by way of fluid is called {Ans: Convection}When testing the efficiency of an air-cooled condenser, the refrigerant condensing temperature should be approximately ________ higher than the entering air temperature {Ans: 30°F}The R-410 a compound gauge reads 124 psig in the suction line temperature at the condensing unit is 54°F. What is the operating system superheat {Ans: 12°F}0 pounds per square inch gauge is {Ans: The same as atmospheric pressure}Air or other non-condensable gases in a capillary tube air conditioning system will cause the symptoms {Ans: High suction pressure and high discharge pressure}Heat added to a substance without a rise in temperature {Ans: Latent heat}A drain trap should be installed on a split system when the {Ans: Air handler drain is on the negative air side}0 pounds per square inch absolute is {Ans: A pressure which cannot be further reduced}A customer complains that their air conditioning system is running constantly, but no cooling enough. The suction line is very cold in the compressor is sweating. The most likely cause is {Ans: a restriction of