Refrigeration and Air Conditioning If a heat pump cycle operates between the condenser temperature of +27°C and evaporator temperature of -23°C, then the Carnot COP will be 5 0.2 1.2 6 5 0.2 1.2 6 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The total pressure exerted by the mixture of air and water vapour is equal to the sum of pressures which each constituent would exert, if it occupied the same space by itself. This statement is called Dalton's law of partial pressures Newton's law of gases Avogadro's hypothesis Kinetic theory of gases Dalton's law of partial pressures Newton's law of gases Avogadro's hypothesis Kinetic theory of gases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The vapour pressure of refrigerant should be Could be anything Lower than atmospheric pressure Equal to atmospheric pressure Higher than atmospheric pressure Could be anything Lower than atmospheric pressure Equal to atmospheric pressure Higher than atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerants has lowest freezing point? Freon-22 Freon-12 NH3 CO2 Freon-22 Freon-12 NH3 CO2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lowest thermal diffusivity is of Aluminium Rubber Lead Iron Aluminium Rubber Lead Iron ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The unit of thermal diffusivity is m/h m/hK m²/h m²/hK m/h m/hK m²/h m²/hK ANSWER DOWNLOAD EXAMIANS APP
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