Refrigeration and Air Conditioning The domestic refrigerator uses following type of compressor Centrifugal Miniature sealed unit Piston type reciprocating Axial Centrifugal Miniature sealed unit Piston type reciprocating Axial ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a flooded evaporator refrigerator, an accumulator at suction of compressor is used to Collect vapours Collect liquid refrigerant and prevent it from going to compressor Superheat the vapour Detect liquid in vapour Collect vapours Collect liquid refrigerant and prevent it from going to compressor Superheat the vapour Detect liquid in vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A condenser of refrigeration system rejects heat at the rate of 120 kW, while its compressor consumes a power of 30 kW. The coefficient of performance of the system will be 43833 4 43834 3 43833 4 43834 3 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The emissivity of a polished silver body is ____ as compared to black body. Very low Same High Low Very low Same High Low ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerating system operating on reversed Brayton refrigeration cycle is used for maintaining 250 K. If the temperature at the end of constant pressure cooling is 300 K and rise in the temperature of air in the refrigerator is 50 K, then the net work of compression will be (assume air as working substance with Cp = 1 kJ/kg) 100 kJ/kg 25 kJ/kg 50 kJ/kg 125 kJ/kg 100 kJ/kg 25 kJ/kg 50 kJ/kg 125 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The vertical and uniformly spaced lines on a psychrometric chart indicates Wet bulb temperature Specific humidity Dew point temperature Dry bulb temperature Wet bulb temperature Specific humidity Dew point temperature Dry bulb temperature ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS