Refrigeration and Air Conditioning Short horizontal lines on pressure-enthalpy chart show Constant temperature lines Constant total heat lines Constant pressure lines Constant entropy lines Constant temperature lines Constant total heat lines Constant pressure lines Constant entropy lines ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning When the temperature of the surrounding is higher than the temperature of the body, then the heat loss by convection from the body to the surrounding will be None of the listed here Positive Zero Negative None of the listed here Positive Zero Negative ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour in the same volume of saturated air at the same temperature and pressure, is called Degree of saturation Relative humidity Humidity ratio Absolute humidity Degree of saturation Relative humidity Humidity ratio Absolute humidity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leaks in a refrigeration system using Freon are detected by Using reagents Halide torch which on detection produces greenish flame lighting Sulphur sticks which on detection gives white smoke Smelling Using reagents Halide torch which on detection produces greenish flame lighting Sulphur sticks which on detection gives white smoke Smelling ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C. The air leaves the heating coil at 25°C. The bypass factor of the heating coil is 0.6 0.376 0.4 0.67 0.6 0.376 0.4 0.67 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air conditioning means Cooling All of these Dehumidifying Heating Cooling All of these Dehumidifying Heating ANSWER DOWNLOAD EXAMIANS APP
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