Refrigeration and Air Conditioning The domestic refrigerator uses following type of compressor Axial Piston type reciprocating Miniature sealed unit Centrifugal Axial Piston type reciprocating Miniature sealed unit Centrifugal ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Moisture in Freon refrigeration system causes Ineffective refrigeration High power consumption Freezing automatic regulating valve Corrosion of whole system Ineffective refrigeration High power consumption Freezing automatic regulating valve Corrosion of whole system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Formation of frost on evaporator in refrigerator 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 Increases heat transfer rate Is immaterial Can be avoided by proper design ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Cooling water is required for following equipment in ammonia absorption plant Absorber Condenser, absorber and separator (rectifier) Evaporator Condenser Absorber Condenser, absorber and separator (rectifier) Evaporator Condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The human body feels comfortable when the heat stored in the body is Zero None of these Positive Negative Zero None of these Positive Negative 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) 125 kJ/kg 50 kJ/kg 25 kJ/kg 100 kJ/kg 125 kJ/kg 50 kJ/kg 25 kJ/kg 100 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
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