Refrigeration and Air Conditioning The comfort conditions in air conditioning are at (where DBT = Dry bulb temperature, and RH = Relative humidity) 20°C DBT and 80% RH 22°C DBT and 60% RH 25°C DBT and 40% RH 25°C DBT and 100% RH 20°C DBT and 80% RH 22°C DBT and 60% RH 25°C DBT and 40% RH 25°C DBT and 100% RH ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The general rule for rating refrigeration systems (excepting for CO₂ system) is to approximate following h.p. per ton of refrigeration 0.1 to 0.5 h.p. per ton of refrigeration 0.5 to 0.8 h.p. per ton of refrigeration 2 to 5 h.p. per ton of refrigeration 1 to 2 h.p. per ton of refrigeration 0.1 to 0.5 h.p. per ton of refrigeration 0.5 to 0.8 h.p. per ton of refrigeration 2 to 5 h.p. per ton of refrigeration 1 to 2 h.p. per ton of refrigeration ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression cycle, the refrigerant immediately after expansion valve is Saturated liquid Wet vapour Sub-cooled liquid Liquid Saturated liquid Wet vapour Sub-cooled liquid Liquid ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The superheating in a refrigeration cycle Increases C.O.P. Does not alter C.O.P. Decreases C.O.P. None of these Increases C.O.P. Does not alter C.O.P. Decreases C.O.P. None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigerator works on None of these Reversed Carnot cycle Both (A) and (B) Bell Coleman cycle None of these Reversed Carnot cycle Both (A) and (B) Bell Coleman cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle the condition off refrigerant is dry saturated vapour Before entering the compressor After passing through the condenser After passing through the expansion or throttle valve Before passing through the condenser Before entering the compressor After passing through the condenser After passing through the expansion or throttle valve Before passing through the condenser ANSWER DOWNLOAD EXAMIANS APP
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