Refrigeration and Air Conditioning The domestic refrigerator uses following type of compressor Piston type reciprocating Axial Miniature sealed unit Centrifugal Piston type reciprocating Axial Miniature sealed unit Centrifugal ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating temperature of a cold storage is -2°C. The heat leakage from the surrounding is 30 kW for the ambient temperature of 40°C. The actual C.O.P. of refrigeration plant used is one fourth that of ideal plant working between the same temperatures. The power required to drive the plant is 18.6 kW 7.44 kW 3.72 kW 1.86 kW 18.6 kW 7.44 kW 3.72 kW 1.86 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Mass flow ratio of NH₃ in comparison to Freon-12 for same refrigeration load and same temperature limits is of the order of 9: 1 1: 1 1: 9 1: 3 9: 1 1: 1 1: 9 1: 3 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The cooling system used for supersonic aircrafts and rockets is Regenerative air cooling system Simple air cooling system Bootstrap air cooling system Reduced ambient air cooling system Regenerative air cooling system Simple air cooling system Bootstrap air cooling system Reduced ambient air cooling system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evolution of heat of solution takes place in ammonia absorption plant when Ammonia vapour is driven out of solution Ammonia vapour goes into solution Lithium bromide mixes with ammonia Weak solution mixes with strong solution Ammonia vapour is driven out of solution Ammonia vapour goes into solution Lithium bromide mixes with ammonia Weak solution mixes with strong solution ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a psychrometric chart, specific humidity (moisture content) lines are Horizontal and uniformly spaced Vertical and uniformly spaced Horizontal and non-uniformly spaced Curved lines Horizontal and uniformly spaced Vertical and uniformly spaced Horizontal and non-uniformly spaced Curved lines ANSWER DOWNLOAD EXAMIANS APP
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