Refrigeration and Air Conditioning A thermostatic expansion valve in a refrigeration system Is suitable only for constant load systems Ensures the evaporator completely filled with refrigerant of the load None of these Maintains different temperatures in evaporator in proportion to load Is suitable only for constant load systems Ensures the evaporator completely filled with refrigerant of the load None of these Maintains different temperatures in evaporator in proportion to load ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A good refrigerant should have High specific volume and high latent heat of vaporisation High latent heat of vaporisation and low freezing point High operating pressures and low freezing point Low C.O.P. and low freezing point High specific volume and high latent heat of vaporisation High latent heat of vaporisation and low freezing point High operating pressures and low freezing point Low C.O.P. and low freezing point ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Wet bulb temperature is the temperature of air recorded by a thermometer, when Its bulb is surrounded by a wet cloth exposed to the air None of these The moisture present in it begins to condense It is not affected by the moisture present in the air Its bulb is surrounded by a wet cloth exposed to the air None of these The moisture present in it begins to condense It is not affected by the moisture present in the air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia absorption refrigeration cycle requires Maximum work input Very little work input Nearly same work input as for vapour compression cycle Zero work input Maximum work input Very little work input Nearly same work input as for vapour compression cycle Zero work input ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following is not a desirable property of a refrigerant? Good electrical conductor Large latent heat High risibility with oil Low boiling point Good electrical conductor Large latent heat High risibility with oil Low boiling point ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A pressure gauge on the discharge side of a refrigerant compressor reads too high. The reasons will be Water temperature being high Dirty condenser surface All of these Lack of cooling water Water temperature being high Dirty condenser surface All of these Lack of cooling water ANSWER DOWNLOAD EXAMIANS APP
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