Refrigeration and Air Conditioning The minimum temperature to which water can be cooled in a cooling tower is Ambient air temperature Wet bulb temperature of air Dew point temperature of air Dry bulb temperature of air Ambient air temperature Wet bulb temperature of air Dew point temperature of air Dry bulb temperature of air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In S.J. unit, one ton of refrigeration is equal to 210 kJ/ min 420 kJ/ min 840 kJ/ min 21 kJ/ min 210 kJ/ min 420 kJ/ min 840 kJ/ min 21 kJ/ min ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is Reversed Carnot cycle Reversed Otto cycle Reversed Brayton cycle Reversed Joule cycle Reversed Carnot cycle Reversed Otto cycle Reversed Brayton cycle Reversed Joule cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a Carnot refrigerator in winter will be _________ as compared to C.O.P. in summer. Same Lower Higher None of these Same Lower Higher None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning At lower temperatures and pressures, the latent heat of vaporisation of a refrigerant remains same decreases increases depends on other factors remains same decreases increases depends on other factors 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 leads to significant cost reduction It improves the C.O.P., as the condenser is small The positive work in isentropic expansion of liquid is very small It considerably reduces mass of the system It leads to significant cost reduction It improves the C.O.P., as the condenser is small The positive work in isentropic expansion of liquid is very small It considerably reduces mass of the system ANSWER DOWNLOAD EXAMIANS APP
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