Air Conditioning Certification EXAMS BUNDLE| Questions with Complete Solutions |Latest Update Questions

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...

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 ...

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 ...

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...

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...