Refrigeration and Air Conditioning For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of Steel Brass Copper Aluminium Steel Brass Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant after condensation process is cooled below the saturation temperature before throttling. Such a process is called None of the listed here Sub-cooling or under-cooling Super-cooling Normal cooling None of the listed here Sub-cooling or under-cooling Super-cooling Normal cooling ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evolution of heat of solution takes place in ammonia absorption plant when Weak solution mixes with strong solution Lithium bromide mixes with ammonia Ammonia vapour is driven out of solution Ammonia vapour goes into solution Weak solution mixes with strong solution Lithium bromide mixes with ammonia Ammonia vapour is driven out of solution Ammonia vapour goes into solution ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The undesirable property of a refrigerant is Non-explosive Non-toxic Non-flammable High boiling point Non-explosive Non-toxic Non-flammable High boiling point 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 3.72 kW 7.44 kW 1.86 kW 18.6 kW 3.72 kW 7.44 kW 1.86 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant is highly toxic and flammable? Sulphur dioxide Ammonia Carbon dioxide R-12 Sulphur dioxide Ammonia Carbon dioxide R-12 ANSWER DOWNLOAD EXAMIANS APP
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