Refrigeration and Air Conditioning The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and Carbon dioxide Lithium bromide Sulphur dioxide R-12 Carbon dioxide Lithium bromide Sulphur dioxide R-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The thermostatic expansion valve is used in ________ type of evaporators. DX coil Flooded Dry None of these DX coil Flooded Dry None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leakage in a refrigeration system using Freon is detected by Sulphur sticks Soap and water All of these Halide torch Sulphur sticks Soap and water All of these Halide torch ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One of the purposes of sub cooling the liquid refrigerant is to Reduce compressor discharge temperature Increase cooling effect Reduce compressor overheating Ensure that only liquid and not the vapour enters the expansion (throttling) valve Reduce compressor discharge temperature Increase cooling effect Reduce compressor overheating Ensure that only liquid and not the vapour enters the expansion (throttling) valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During cooling and dehumidification, dry bulb temperature None of these Increases Decreases Remains constant None of these Increases Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The pressure at the outlet of a refrigerant compressor is called Back pressure Discharge pressure Suction pressure Critical pressure Back pressure Discharge pressure Suction pressure Critical pressure ANSWER DOWNLOAD EXAMIANS APP
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