Refrigeration and Air Conditioning In vapour compression refrigeration system, refrigerant occurs as liquid between Compressor and evaporator 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 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Pick up the wrong statement. A refrigerant should have High boiling point High latent heat of vaporisation Tow specific heat of liquid Higher critical temperature High boiling point High latent heat of vaporisation Tow specific heat of liquid Higher critical temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative coefficient of performance is equal to (Theoretical C.O.P.)/ (Actual C.O.P.) (Actual C.O.P.) /(Theoretical C.O.P.) (Actual C.O.P.) × (Theoretical C.O.P.) None of these (Theoretical C.O.P.)/ (Actual C.O.P.) (Actual C.O.P.) /(Theoretical C.O.P.) (Actual C.O.P.) × (Theoretical C.O.P.) None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The advantage of dry compression is that All of these It results in high volumetric and mechanical efficiency It permits complete evaporation in the evaporator It permits higher speeds to be used All of these It results in high volumetric and mechanical efficiency It permits complete evaporation in the evaporator It permits higher speeds to be used ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere? Sulphur dioxide Ammonia Carbon dioxide Fluorine Sulphur dioxide Ammonia Carbon dioxide Fluorine 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. It reacts with copper and its alloys. It is toxic to mucous membranes. All of these It requires large displacement per TR compared to fluoro carbons. It reacts with copper and its alloys. It is toxic to mucous membranes. All of these ANSWER DOWNLOAD EXAMIANS APP
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