Refrigeration and Air Conditioning The material of pipe lines for a system using Freon as a refrigerant should be Aluminium Steel Copper Brass Aluminium Steel Copper Brass ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative coefficient of performance is Actual COP/theoretical COP Theoretical COP/actual COP Actual COP × theoretical COP None of these Actual COP/theoretical COP Theoretical COP/actual COP Actual COP × theoretical COP None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is Same More or less depending on ambient conditions More Less Same More or less depending on ambient conditions More Less ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A mixture of dry air and water vapour, when the air has diffused the maximum amount of water vapour into it, is called Saturated air Moist air Dry air Specific humidity Saturated air Moist air Dry air Specific humidity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Mass flow ratio of NH₃ in comparison to Freon-12 for same refrigeration load and same temperature limits is of the order of 1: 9 1: 3 1: 1 9: 1 1: 9 1: 3 1: 1 9: 1 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression cycle, the refrigerant immediately after expansion valve is Wet vapour Liquid Sub-cooled liquid Saturated liquid Wet vapour Liquid Sub-cooled liquid Saturated liquid ANSWER DOWNLOAD EXAMIANS APP
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