Refrigeration and Air Conditioning If a gas is to be liquefied, its temperature must be Increased to a value above its critical temperature Reduced to a value below its critical temperature Equal to critical temperature None of these Increased to a value above its critical temperature Reduced to a value below its critical temperature Equal to critical temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is wrong? None of the listed here In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region The value of C.O.P. is always greater than one None of the listed here In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region The value of C.O.P. is always greater than one ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Critical temperature is the temperature above which Water will evaporate A gas will never liquefy Water will never evaporate A gas will immediately liquefy Water will evaporate A gas will never liquefy Water will never evaporate A gas will immediately liquefy ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerant compressor is used to All of these Raise the temperature of the refrigerant Circulate the refrigerant through the refrigerating system Raise the pressure of the refrigerant All of these Raise the temperature of the refrigerant Circulate the refrigerant through the refrigerating system Raise the pressure of the refrigerant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Accumulators should have adequate volume to store refrigerant charge at least 0.5 0.25 0.75 0.1 0.5 0.25 0.75 0.1 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following is not a desirable property of a refrigerant? Good electrical conductor Low boiling point High risibility with oil Large latent heat Good electrical conductor Low boiling point High risibility with oil Large latent heat ANSWER DOWNLOAD EXAMIANS APP
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