Refrigeration and Air Conditioning The dry bulb temperature during sensible heating of air Decreases None of these Increases Remains constant Decreases None of these Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is correct for ammonia as a refrigerant? All of these It requires large displacement per TR compared to fluoro carbons. It is toxic to mucous membranes. It reacts with copper and its alloys. All of these It requires large displacement per TR compared to fluoro carbons. It is toxic to mucous membranes. It reacts with copper and its alloys. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During humidification process, __________ increases. Specific humidity Dry bulb temperature Wet bulb temperature Relative humidity Specific humidity Dry bulb temperature Wet bulb temperature Relative humidity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant for a refrigerator should have High latent heat Low latent heat High total heat High sensible heat High latent heat Low latent heat High total heat High sensible heat 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 3.72 kW 1.86 kW 7.44 kW 18.6 kW 3.72 kW 1.86 kW 7.44 kW 18.6 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is wrong? The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region None of the listed here In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour The value of C.O.P. is always greater than one The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region None of the listed here In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour The value of C.O.P. is always greater than one ANSWER DOWNLOAD EXAMIANS APP
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