Refrigeration and Air Conditioning Wet bulb temperature is the temperature of air recorded by a thermometer, when It is not affected by the moisture present in the air None of these The moisture present in it begins to condense Its bulb is surrounded by a wet cloth exposed to the air It is not affected by the moisture present in the air None of these The moisture present in it begins to condense Its bulb is surrounded by a wet cloth exposed to the air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Pick up the wrong statement. A refrigerant should have High boiling point Higher critical temperature High latent heat of vaporisation Tow specific heat of liquid High boiling point Higher critical temperature High latent heat of vaporisation Tow specific heat of liquid ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant used in small tonnage commercial machines (hermetically sealed units) is R-12 Ammonia Carbon dioxide Sulphur dioxide R-12 Ammonia Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure of about 67 kg/cm. The refrigerant used is Brine Carbon dioxide Freon Ammonia Brine Carbon dioxide Freon Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In S.J. unit, one ton of refrigeration is equal to 420 kJ/ min 21 kJ/ min 840 kJ/ min 210 kJ/ min 420 kJ/ min 21 kJ/ min 840 kJ/ min 210 kJ/ min ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The advantage of dry compression is that It permits complete evaporation in the evaporator All of these It permits higher speeds to be used It results in high volumetric and mechanical efficiency It permits complete evaporation in the evaporator All of these It permits higher speeds to be used It results in high volumetric and mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
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