Refrigeration and Air Conditioning Pick up the wrong statement. A refrigerant should have Higher critical temperature High boiling point High latent heat of vaporisation Tow specific heat of liquid Higher critical temperature High boiling point High latent heat of vaporisation Tow specific heat of liquid ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as accumulator is used at the suction of compressor. Evaporator Condenser Compressor Expansion valve Evaporator Condenser Compressor Expansion valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A thermostatic expansion valve in a refrigeration system None of these Is suitable only for constant load systems Ensures the evaporator completely filled with refrigerant of the load Maintains different temperatures in evaporator in proportion to load None of these Is suitable only for constant load systems Ensures the evaporator completely filled with refrigerant of the load Maintains different temperatures in evaporator in proportion to load ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A good refrigerant should have High specific volume and high latent heat of vaporisation Low C.O.P. and low freezing point High latent heat of vaporisation and low freezing point High operating pressures and low freezing point High specific volume and high latent heat of vaporisation Low C.O.P. and low freezing point High latent heat of vaporisation and low freezing point High operating pressures and low freezing point ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature during sensible heating of air Remains constant Increases None of these Decreases Remains constant Increases None of these Decreases 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 18.6 kW 3.72 kW 7.44 kW 1.86 kW 18.6 kW 3.72 kW 7.44 kW 1.86 kW ANSWER DOWNLOAD EXAMIANS APP