Refrigeration and Air Conditioning During heating and dehumidification process, dry bulb temperature Decreases Remains constant None of these Increases Decreases Remains constant None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Bell Coleman cycle is a Reversed Joule cycle Reversed Carnot cycle Reversed Otto cycle Reversed Rankine cycle Reversed Joule cycle Reversed Carnot cycle Reversed Otto cycle Reversed Rankine cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating temperature of a cold storage is -2°C. The heat leakage from the surrounding is 30 kW for the ambient temperature of 40°C. The actual C.O.P. of refrigeration plant used is one fourth that of ideal plant working between the same temperatures. The power required to drive the plant is 3.72 kW 1.86 kW 18.6 kW 7.44 kW 3.72 kW 1.86 kW 18.6 kW 7.44 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In S.J. unit, one ton of refrigeration is equal to 420 kJ/ min 840 kJ/ min 210 kJ/ min 21 kJ/ min 420 kJ/ min 840 kJ/ min 210 kJ/ min 21 kJ/ min ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a refrigerator working on a reversed Carnot cycle is (where T₁ = Lowest absolute temperature, and T₂ = Highest absolute temperature) T₂/ (T₂ - T₁) T₁ / (T₂ - T₁) (T₂ - T₁)/T₁ (T₁ - T₂)/T₁ T₂/ (T₂ - T₁) T₁ / (T₂ - T₁) (T₂ - T₁)/T₁ (T₁ - T₂)/T₁ ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression cycle, the refrigerant immediately after expansion valve is Wet vapour Sub-cooled liquid Saturated liquid Liquid Wet vapour Sub-cooled liquid Saturated liquid Liquid ANSWER DOWNLOAD EXAMIANS APP