Refrigeration and Air Conditioning A refrigerant with the highest critical pressure is R-11 R-12 R-22 Ammonia R-11 R-12 R-22 Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigerator works on Both (A) and (B) Reversed Carnot cycle Bell Coleman cycle None of these Both (A) and (B) Reversed Carnot cycle Bell Coleman cycle None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Pressure of water vapour is given by None of these μ/[1 - (1 - μ) (Ps/Pb)] [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] 0.622 Pv/ (Pb - Pv) None of these μ/[1 - (1 - μ) (Ps/Pb)] [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] 0.622 Pv/ (Pb - Pv) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning If a gas is to be liquefied, its temperature must be Equal to critical temperature None of these Reduced to a value below its critical temperature Increased to a value above its critical temperature Equal to critical temperature None of these Reduced to a value below its critical temperature Increased to a value above its critical temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Formation of frost on evaporator in refrigerator Increases heat transfer rate Is immaterial Can be avoided by proper design Results in loss of heat due to poor heat transfer Increases heat transfer rate Is immaterial Can be avoided by proper design Results in loss of heat due to poor heat transfer ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigeration operates on Reversed Carnot cycle Rankine’s cycle Carnot cycle Brayton cycle Reversed Carnot cycle Rankine’s cycle Carnot cycle Brayton cycle ANSWER DOWNLOAD EXAMIANS APP
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