Refrigeration and Air Conditioning A reversible engine has ideal thermal efficiency of 30%. When it is used as a refrigerating machine with all other conditions unchanged, the coefficient of performance will be 4.33 1.33 2.33 3.33 4.33 1.33 2.33 3.33 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aircraft, air refrigeration Cycle is used because of Low temperature at high altitudes Higher coefficient of performance Low weight per tonne of refrigeration High heat transfer rate Low temperature at high altitudes Higher coefficient of performance Low weight per tonne of refrigeration High heat transfer rate ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The conditioned air supplied to the room must have the capacity to take up Room latent heat load only Room sensible heat load only None of the listed here Both room sensible heat and latent heat loads Room latent heat load only Room sensible heat load only None of the listed here Both room sensible heat and latent heat loads ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia is Non-toxic Non-inflammable Toxic and non-inflammable Highly toxic and inflammable Non-toxic Non-inflammable Toxic and non-inflammable Highly toxic and inflammable 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
Refrigeration and Air Conditioning Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere? Fluorine Sulphur dioxide Carbon dioxide Ammonia Fluorine Sulphur dioxide Carbon dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
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