Refrigeration and Air Conditioning The leakage in a refrigeration system using ammonia is detected by Sulphur sticks Soap and water Halide torch All of these Sulphur sticks Soap and water Halide torch All of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle, the condition of refrigerant is very wet vapour After passing through the expansion or throttle valve Before passing through the condenser After passing through the condenser Before entering the compressor After passing through the expansion or throttle valve Before passing through the condenser After passing through the condenser Before entering the compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The alignment circle is marked on the psychrometric chart at 20°C DBT and 60% RH 26°C DBT and 50% RH 20°C DBT and 50% RH 26°C DBT and 60% RH 20°C DBT and 60% RH 26°C DBT and 50% RH 20°C DBT and 50% RH 26°C DBT and 60% RH ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most thermostatic expansion valves are set for a superheat of 20°C 5°C 10°C 15°C 20°C 5°C 10°C 15°C 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 2.15 1 1.25 5.12 2.15 1 1.25 5.12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will Decrease May increase or decrease depending on the type of refrigerant used Increase Remain unaffected Decrease May increase or decrease depending on the type of refrigerant used Increase Remain unaffected ANSWER DOWNLOAD EXAMIANS APP