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 6 1.2 5 0.2 6 1.2 5 0.2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evaporator changes the low pressure liquid refrigerant from the expansion valve into Low pressure liquid and vapour refrigerant High pressure liquid refrigerant None of these Low pressure vapour refrigerant Low pressure liquid and vapour refrigerant High pressure liquid refrigerant None of these Low pressure vapour refrigerant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia absorption refrigeration cycle requires Nearly same work input as for vapour compression cycle Maximum work input Very little work input Zero work input Nearly same work input as for vapour compression cycle Maximum work input Very little work input Zero work input ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Pressure of water vapour is given by 0.622 Pv/ (Pb - Pv) [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] None of these μ/[1 - (1 - μ) (Ps/Pb)] 0.622 Pv/ (Pb - Pv) [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] None of these μ/[1 - (1 - μ) (Ps/Pb)] ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The reciprocating refrigerant compressors are very suitable for Large displacements and high condensing pressures Small displacements and low condensing pressures Large displacements and low condensing pressures Small displacements and high condensing pressures Large displacements and high condensing pressures Small displacements and low condensing pressures Large displacements and low condensing pressures Small displacements and high condensing pressures ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During cooling and dehumidification, dry bulb temperature Decreases Increases Remains constant None of these Decreases Increases Remains constant None of these ANSWER DOWNLOAD EXAMIANS APP
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