Refrigeration and Air Conditioning Freon group of refrigerants are Nontoxic and non-inflammable Toxic Inflammable Non-inflammable and toxic Nontoxic and non-inflammable Toxic Inflammable Non-inflammable and toxic ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerant compressor is used to Raise the pressure of the refrigerant Raise the temperature of the refrigerant All of these Circulate the refrigerant through the refrigerating system Raise the pressure of the refrigerant Raise the temperature of the refrigerant All of these Circulate the refrigerant through the refrigerating system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During cooling and dehumidification, dry bulb temperature None of these Increases Remains constant Decreases None of these Increases Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The specific humidity during heating and humidification process. Decreases Increases None of these Remains constant Decreases Increases None of these Remains constant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerating system operating on reversed Brayton refrigeration cycle is used for maintaining 250 K. If the temperature at the end of constant pressure cooling is 300 K and rise in the temperature of air in the refrigerator is 50 K, then the net work of compression will be (assume air as working substance with Cp = 1 kJ/kg) 25 kJ/kg 50 kJ/kg 125 kJ/kg 100 kJ/kg 25 kJ/kg 50 kJ/kg 125 kJ/kg 100 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The central air conditioning system has ___________ overall efficiency as compared to individual systems. Higher Same None of these Lower Higher Same None of these Lower ANSWER DOWNLOAD EXAMIANS APP