Refrigeration and Air Conditioning In a vapour compression cycle, the refrigerant immediately after expansion valve is Saturated liquid Liquid Sub-cooled liquid Wet vapour Saturated liquid Liquid Sub-cooled liquid Wet vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The emissivity of a polished silver body is ____ as compared to black body. Very low High Low Same Very low High Low Same ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is correct for ammonia as a refrigerant? It requires large displacement per TR compared to fluoro carbons. All of these It is toxic to mucous membranes. It reacts with copper and its alloys. It requires large displacement per TR compared to fluoro carbons. All of these It is toxic to mucous membranes. It reacts with copper and its alloys. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The boiling point of ________ is 10.5°C. Carbon dioxide Ammonia R-12 Sulphur dioxide Carbon dioxide Ammonia R-12 Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A condenser of refrigeration system rejects heat at the rate of 120 kW, while its compressor consumes a power of 30 kW. The coefficient of performance of the system will be 43834 3 43833 4 43834 3 43833 4 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant supplied to a compressor must be Superheated vapour refrigerant A mixture of liquid and vapour refrigerant Dry saturated liquid refrigerant None of these Superheated vapour refrigerant A mixture of liquid and vapour refrigerant Dry saturated liquid refrigerant None of these ANSWER DOWNLOAD EXAMIANS APP
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