Refrigeration and Air Conditioning In air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is Reversed Otto cycle Reversed Carnot cycle Reversed Joule cycle Reversed Brayton cycle Reversed Otto cycle Reversed Carnot cycle Reversed Joule cycle Reversed Brayton cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lowest temperature during the cycle in a vapour compression system occurs after Condensation Expansion Evaporation Compression Condensation Expansion Evaporation Compression ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A human body feels comfortable when the heat produced by the metabolism of human body is equal to the Heat dissipated to the surroundings Sum of (A) and (B) Difference of (A) and (B) Heat stored in the human body Heat dissipated to the surroundings Sum of (A) and (B) Difference of (A) and (B) Heat stored in the human body ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In S.J. unit, one ton of refrigeration is equal to 840 kJ/ min 21 kJ/ min 420 kJ/ min 210 kJ/ min 840 kJ/ min 21 kJ/ min 420 kJ/ min 210 kJ/ min ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature of -23°C. The Carnot coefficient of performance of cycle will be 5 6 1.2 0.2 5 6 1.2 0.2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In case of sensible heating of air, the coil efficiency is given by (where B.P.F. = Bypass factor) 1 + B.P.F. P.F. - 1 1/ B.P.F. 1 - B. P.F. 1 + B.P.F. P.F. - 1 1/ B.P.F. 1 - B. P.F. ANSWER DOWNLOAD EXAMIANS APP
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