Refrigeration and Air Conditioning The condition of refrigerant as it leaves the compressor in a vapour compression system is Saturated liquid Superheated vapour Wet vapour Dry saturated vapour Saturated liquid Superheated vapour Wet vapour Dry saturated vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A one tonne refrigerating machine means that 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 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 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The comfort conditions in air conditioning are at (where DBT = Dry bulb temperature, and RH = Relative humidity) 22°C DBT and 60% RH 25°C DBT and 40% RH 20°C DBT and 80% RH 25°C DBT and 100% RH 22°C DBT and 60% RH 25°C DBT and 40% RH 20°C DBT and 80% RH 25°C DBT and 100% RH ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The heat rejection factor (HRF) is given by 1 + C.O.P 1 + (1/C.O.P) 1 - (1/C.O.P) 1 - C.O.P. 1 + C.O.P 1 + (1/C.O.P) 1 - (1/C.O.P) 1 - C.O.P. 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 1.86 kW 18.6 kW 3.72 kW 7.44 kW 1.86 kW 18.6 kW 3.72 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance of Heat Pump is always ___ one. Greater than None of the listed here Equal to Less than Greater than None of the listed here Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
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