Refrigeration and Air Conditioning The domestic refrigerator uses following type of compressor Centrifugal Axial Miniature sealed unit Piston type reciprocating Centrifugal Axial Miniature sealed unit Piston type reciprocating ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning On the pressure-enthalpy diagram, condensation and desuperheating is represented by a horizontal line because the process Takes place at constant pressure Takes place at constant temperature Takes place at constant entropy Involves no change in volume Takes place at constant pressure Takes place at constant temperature Takes place at constant entropy Involves no change in volume ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The suction pipe diameter of refrigerating unit compressor in comparison to delivery side is Smaller/bigger depending on capacity Bigger Equal Smaller Smaller/bigger depending on capacity Bigger Equal Smaller ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In larger industrial and commercial reciprocating compression systems, refrigerant widely used is Sulphur dioxide Ammonia R-12 Carbon dioxide Sulphur dioxide Ammonia R-12 Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called Thermostatic expansion valve High side float valve Low side float valve Automatic expansion valve Thermostatic expansion valve High side float valve Low side float valve Automatic expansion valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A vapour absorption refrigeration system Gives noisy operation Cools below 0°C Requires little power consumption Gives quiet operation Gives noisy operation Cools below 0°C Requires little power consumption Gives quiet operation ANSWER DOWNLOAD EXAMIANS APP
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