Refrigeration and Air Conditioning For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of Aluminium Brass Steel Copper Aluminium Brass Steel Copper ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant is highly toxic and flammable? Sulphur dioxide R-12 Carbon dioxide Ammonia Sulphur dioxide R-12 Carbon dioxide Ammonia 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 3.72 kW 18.6 kW 7.44 kW 1.86 kW 3.72 kW 18.6 kW 7.44 kW 1.86 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Vertical lines on pressure-enthalpy chart show constant Pressure lines Total heat lines Entropy lines Temperature lines Pressure lines Total heat lines Entropy lines Temperature lines ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most thermostatic expansion valves are set for a superheat of 10°C 15°C 5°C 20°C 10°C 15°C 5°C 20°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Highest temperature encountered in refrigeration cycle should be Much below critical temperature Near critical temperature of refrigerant At critical Temperature Above critical temperature Much below critical temperature Near critical temperature of refrigerant At critical Temperature Above critical temperature ANSWER DOWNLOAD EXAMIANS APP
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