Refrigeration and Air Conditioning The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and Lithium bromide R-12 Sulphur dioxide Carbon dioxide Lithium bromide R-12 Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In which of the following refrigeration system, waste heat can be effectively used? Vapour compression cycle None of the listed here Air refrigeration cycle Vapour absorption cycle Vapour compression cycle None of the listed here Air refrigeration cycle Vapour absorption cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In actual air-conditioning applications for R-12 and R-22, and operating at a condenser temperature of 40° C and an evaporator temperature of 5° C, the heat rejection factor is about 1.25 5.12 2.15 1 1.25 5.12 2.15 1 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A pressure gauge on the discharge side of a refrigerant compressor reads too high. The reasons will be Water temperature being high All of these Dirty condenser surface Lack of cooling water Water temperature being high All of these Dirty condenser surface Lack of cooling water ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by Liquid pump Absorber, generator and liquid pump Generator Absorber and generator Liquid pump Absorber, generator and liquid pump Generator Absorber and generator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For large tonnage (more than 200 TR) air-conditioning applications, the compressor recommended is Screw Centrifugal Reciprocating Rotating Screw Centrifugal Reciprocating Rotating ANSWER DOWNLOAD EXAMIANS APP