Refrigeration and Air Conditioning R-12 is generally preferred over R-22 in deep freezers since All of these It has low operating pressures It gives higher coefficient of performance It is miscible with oil over large range of temperatures All of these It has low operating pressures It gives higher coefficient of performance It is miscible with oil over large range of temperatures ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigeration system Removes heat from a low temperature body and delivers it to a high temperature body Rejects energy to a low temperature body Removes heat from a high temperature body and delivers it to a low temperature body None of the listed here Removes heat from a low temperature body and delivers it to a high temperature body Rejects energy to a low temperature body Removes heat from a high temperature body and delivers it to a low temperature body None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leakage in a refrigeration system using Freon is detected by Halide torch All of these Sulphur sticks Soap and water Halide torch All of these Sulphur sticks Soap and water ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Vapour compression refrigeration is somewhat like Carnot cycle Reversed Carnot cycle None of these Carnot cycle Reversed Carnot cycle None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For obtaining high COP, the pressure range of compressor should be Any value Optimum High Low Any value Optimum High Low ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following is not a desirable property of a refrigerant? Low boiling point High risibility with oil Large latent heat Good electrical conductor Low boiling point High risibility with oil Large latent heat Good electrical conductor ANSWER DOWNLOAD EXAMIANS APP
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