Refrigeration and Air Conditioning The sub-cooling in a refrigeration cycle Decreases C.O.P. None of these 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. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During sensible cooling, Relative humidity remains constant Specific humidity increases Wet bulb temperature increases Partial pressure of vapour remains constant Relative humidity remains constant Specific humidity increases Wet bulb temperature increases Partial pressure of vapour remains constant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most of the domestic refrigerators work on the following refrigeration system Vapour absorption Vapour compression Electrolux refrigerator Carnot cycle Vapour absorption Vapour compression Electrolux refrigerator Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a psychrometric chart, specific humidity (moisture content) lines are Curved lines Horizontal and uniformly spaced Horizontal and non-uniformly spaced Vertical and uniformly spaced Curved lines Horizontal and uniformly spaced Horizontal and non-uniformly spaced Vertical and uniformly spaced 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 3.72 kW 18.6 kW 7.44 kW 1.86 kW 3.72 kW 18.6 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a pressure enthalpy chart, the space to the left of the saturated liquid line represents Sub-cooled liquid region Wet vapour region Superheated vapour region None of the listed here Sub-cooled liquid region Wet vapour region Superheated vapour region None of the listed here ANSWER DOWNLOAD EXAMIANS APP