Refrigeration and Air Conditioning A good refrigerant should have High latent heat of vaporisation and low freezing point High specific volume and high latent heat of vaporisation Low C.O.P. and low freezing point High operating pressures and low freezing point High latent heat of vaporisation and low freezing point High specific volume and high latent heat of vaporisation Low C.O.P. and low freezing point High operating pressures and low freezing point 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
Refrigeration and Air Conditioning The coefficient of performance of Heat Pump is always ___ one. Equal to None of the listed here Less than Greater than Equal to None of the listed here Less than Greater than ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C. The air leaves the heating coil at 25°C. The bypass factor of the heating coil is 0.67 0.6 0.376 0.4 0.67 0.6 0.376 0.4 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Freon group of refrigerants are Nontoxic and non-inflammable Toxic Inflammable Non-inflammable and toxic Nontoxic and non-inflammable Toxic Inflammable Non-inflammable and toxic ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a lithium bromide absorption refrigeration system Ammonia is used as a refrigerant and lithium bromide as an absorbent None of these Water is used as a refrigerant and lithium bromide as an absorbent Lithium bromide is used as a refrigerant and water as an absorbent Ammonia is used as a refrigerant and lithium bromide as an absorbent None of these Water is used as a refrigerant and lithium bromide as an absorbent Lithium bromide is used as a refrigerant and water as an absorbent ANSWER DOWNLOAD EXAMIANS APP
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