Refrigeration and Air Conditioning The coefficient of performance is the ratio of the refrigerant effect to the Work done by compressor All of these Heat of compression Enthalpy increase in compressor Work done by compressor All of these Heat of compression Enthalpy increase in compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia absorption refrigeration cycle requires Maximum work input Nearly same work input as for vapour compression cycle Very little work input Zero work input Maximum work input Nearly same work input as for vapour compression cycle Very little work input Zero work input ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of Aluminium Steel Copper Brass Aluminium Steel Copper Brass ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression refrigeration system, refrigerant occurs as liquid between Condenser and expansion valve Expansion valve and evaporator Compressor and condenser Compressor and evaporator Condenser and expansion valve Expansion valve and evaporator Compressor and condenser Compressor and evaporator 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 Increase Decrease May increase or decrease depending on the type of refrigerant used Remain unaffected Increase Decrease May increase or decrease depending on the type of refrigerant used Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and R-12 Lithium bromide Sulphur dioxide Carbon dioxide R-12 Lithium bromide Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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