Refrigeration and Air Conditioning Which of the following refrigerants has lowest freezing point? NH3 CO2 Freon-22 Freon-12 NH3 CO2 Freon-22 Freon-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In chemical dehumidification process, All of these Dry bulb temperature increases Wet bulb temperature decreases Dew point temperature decreases All of these Dry bulb temperature increases Wet bulb temperature decreases Dew point temperature decreases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The suction pipe diameter of refrigerating unit compressor in comparison to delivery side is Smaller Smaller/bigger depending on capacity Bigger Equal Smaller Smaller/bigger depending on capacity Bigger Equal ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A thermostatic expansion valve in a refrigeration system Maintains different temperatures in evaporator in proportion to load Ensures the evaporator completely filled with refrigerant of the load None of these Is suitable only for constant load systems Maintains different temperatures in evaporator in proportion to load Ensures the evaporator completely filled with refrigerant of the load None of these Is suitable only for constant load systems ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Aqua ammonia is used as refrigerant in the following type of refrigeration system Indirect Absorption Direct Compression Indirect Absorption Direct Compression ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A one tonne refrigerating machine means that One tonne of ice when melts from and at 0° C in 24 hours, the refrigeration effect is equivalent to 210 kJ/min One tonne is the total mass of machine One tonne refrigerant is used One tonne of water can be converted into ice One tonne of ice when melts from and at 0° C in 24 hours, the refrigeration effect is equivalent to 210 kJ/min One tonne is the total mass of machine One tonne refrigerant is used One tonne of water can be converted into ice ANSWER DOWNLOAD EXAMIANS APP
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