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Air Conditioning Certification EXAMS BUNDLE| Questions with Complete Solutions |Latest Update Questions
Air Conditioning Certification EXAMS BUNDLE| Questions with Complete Solutions |Latest Update Questions
[Show more]Air Conditioning Certification EXAMS BUNDLE| Questions with Complete Solutions |Latest Update Questions
[Show more]The British Thermal Unit (Btu) - ANSWER The standard unit for measuring the quantity 
of heat in a substance is.... 
Pressure which cannot be further reduced - ANSWER Zero psia (pounds per square inch 
absolute) is.... 
Store liquid refrigerant - ANSWER A liquid receiver is used to.... 
Low suction ...
Preview 2 out of 6 pages
Add to cartThe British Thermal Unit (Btu) - ANSWER The standard unit for measuring the quantity 
of heat in a substance is.... 
Pressure which cannot be further reduced - ANSWER Zero psia (pounds per square inch 
absolute) is.... 
Store liquid refrigerant - ANSWER A liquid receiver is used to.... 
Low suction ...
A technician has found an air conditioning system with a leak in the liquid line. After the 
line is repaired, the system is evacuated and properly retired. When the system is 
started, the compressor is noisy and running hot. The most probable cause of the noise 
is.... - ANSWER Lower oil in the sy...
Preview 2 out of 6 pages
Add to cartA technician has found an air conditioning system with a leak in the liquid line. After the 
line is repaired, the system is evacuated and properly retired. When the system is 
started, the compressor is noisy and running hot. The most probable cause of the noise 
is.... - ANSWER Lower oil in the sy...
R-134a vapor enters the condenser at 124 psig. 100F. It leaves as a liquid from the condenser 
sub-cooled 20F. and the pressure will be approximately - ANSWER 124 psi 
A scroll compressor moves refrigerant by means of - ANSWER involute spirals 
A TXV sensing bulb that is loose from the suction line ...
Preview 2 out of 11 pages
Add to cartR-134a vapor enters the condenser at 124 psig. 100F. It leaves as a liquid from the condenser 
sub-cooled 20F. and the pressure will be approximately - ANSWER 124 psi 
A scroll compressor moves refrigerant by means of - ANSWER involute spirals 
A TXV sensing bulb that is loose from the suction line ...
A faulty condenser fan motor on an air conditioning system will cause these symptoms..... - 
ANSWER High suction pressure and high discharge pressure 
When connecting copper to steel the recommended brazing filler alloy is a... - ANSWER 45 
percent silver alloy 
A partially iced over evaporator can ...
Preview 2 out of 5 pages
Add to cartA faulty condenser fan motor on an air conditioning system will cause these symptoms..... - 
ANSWER High suction pressure and high discharge pressure 
When connecting copper to steel the recommended brazing filler alloy is a... - ANSWER 45 
percent silver alloy 
A partially iced over evaporator can ...
sensible heat - ANSWER Heat that causes change in temperature of a substance 
latent heat - ANSWER Heat that is added with out a rise in temperature 
super heat - ANSWER Heat added to refrigerant in vapor state after evaporation process is 
involute spirals - ANSWER Scroll compressor moves refrigera...
Preview 2 out of 10 pages
Add to cartsensible heat - ANSWER Heat that causes change in temperature of a substance 
latent heat - ANSWER Heat that is added with out a rise in temperature 
super heat - ANSWER Heat added to refrigerant in vapor state after evaporation process is 
involute spirals - ANSWER Scroll compressor moves refrigera...
Heat which causes a change in temperature of a substance is called; - ANSWER sensible heat. 
Heat which causes a change in state of a material without a change in temperature is called; - 
ANSWER latent heat. 
Heat which is added to a vapor after the change of state occurs is called; - ANSWER superh...
Preview 2 out of 13 pages
Add to cartHeat which causes a change in temperature of a substance is called; - ANSWER sensible heat. 
Heat which causes a change in state of a material without a change in temperature is called; - 
ANSWER latent heat. 
Heat which is added to a vapor after the change of state occurs is called; - ANSWER superh...
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