Refrigeration and Air Conditioning For large tonnage (more than 200 TR) air-conditioning applications, the compressor recommended is Centrifugal Screw Rotating Reciprocating Centrifugal Screw Rotating Reciprocating ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigerator works on Reversed Carnot cycle None of these Bell Coleman cycle Both (A) and (B) Reversed Carnot cycle None of these Bell Coleman cycle Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aircraft, air refrigeration Cycle is used because of Low temperature at high altitudes Higher coefficient of performance High heat transfer rate Low weight per tonne of refrigeration Low temperature at high altitudes Higher coefficient of performance High heat transfer rate Low weight per tonne of refrigeration 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 7.44 kW 3.72 kW 18.6 kW 1.86 kW 7.44 kW 3.72 kW 18.6 kW 1.86 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Highest temperature encountered in refrigeration cycle should be Much below critical temperature Above critical temperature Near critical temperature of refrigerant At critical Temperature Much below critical temperature Above critical temperature Near critical temperature of refrigerant At critical Temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a saturated air-water vapour mixture, the Dew point temperature is lower than wet bulb temperature Dry bulb, wet bulb and dew point temperature are same Dry bulb temperature is higher than wet bulb temperature Dry bulb temperature is higher than dew point temperature Dew point temperature is lower than wet bulb temperature Dry bulb, wet bulb and dew point temperature are same Dry bulb temperature is higher than wet bulb temperature Dry bulb temperature is higher than dew point temperature ANSWER DOWNLOAD EXAMIANS APP