Refrigeration and Air Conditioning In order to cool and dehumidify a stream of moist air, it must be passed over the coil at a temperature Of adiabatic saturation of incoming stream Which is lower than the dew point temperature of the incoming stream Which lies between the wet bulb and dew point temperatures of the incoming stream Which lies between the dry bulb and wet bulb temperatures of the incoming stream Of adiabatic saturation of incoming stream Which is lower than the dew point temperature of the incoming stream Which lies between the wet bulb and dew point temperatures of the incoming stream Which lies between the dry bulb and wet bulb temperatures of the incoming stream ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerants has lowest freezing point? Freon-22 NH3 CO2 Freon-12 Freon-22 NH3 CO2 Freon-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression refrigeration system, a throttle valve is used in place of an expander because It improves the C.O.P., as the condenser is small It leads to significant cost reduction It considerably reduces mass of the system The positive work in isentropic expansion of liquid is very small It improves the C.O.P., as the condenser is small It leads to significant cost reduction It considerably reduces mass of the system The positive work in isentropic expansion of liquid is very small ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The dehumidification process, on the psychrometric chart, is shown by Inclined line Curved line Vertical line Horizontal line Inclined line Curved line Vertical line Horizontal line ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The thermostatic expansion valve operates on the changes in the Temperature of the evaporator Pressure in the evaporator Degree of superheat at exit from the evaporator None of these Temperature of the evaporator Pressure in the evaporator Degree of superheat at exit from the evaporator None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The power per tonne of refrigeration is 3.5 × C.O.P. None of these O.P/3.5 3.5/C.O.P. 3.5 × C.O.P. None of these O.P/3.5 3.5/C.O.P. ANSWER DOWNLOAD EXAMIANS APP
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