Refrigeration and Air Conditioning Cooling water is required for following equipment in ammonia absorption plant Absorber Condenser Condenser, absorber and separator (rectifier) Evaporator Absorber Condenser Condenser, absorber and separator (rectifier) Evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leakage in a refrigeration system using Freon is detected by Sulphur sticks All of these Halide torch Soap and water Sulphur sticks All of these Halide torch Soap and water ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Vertical lines on pressure-enthalpy chart show constant Total heat lines Pressure lines Temperature lines Entropy lines Total heat lines Pressure lines Temperature lines Entropy lines 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 1: 1 1: 9 9: 1 1: 3 1: 1 1: 9 9: 1 1: 3 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression refrigeration system, a throttle valve is used in place of an expander because The positive work in isentropic expansion of liquid is very small It considerably reduces mass of the system It leads to significant cost reduction It improves the C.O.P., as the condenser is small The positive work in isentropic expansion of liquid is very small It considerably reduces mass of the system It leads to significant cost reduction It improves the C.O.P., as the condenser is small ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning While designing the refrigeration system of an aircraft, the prime consideration is that the Mass of the refrigeration equipment is low System has high C.O.P. Mass of refrigerant circulated in the system is low Power per TR is low Mass of the refrigeration equipment is low System has high C.O.P. Mass of refrigerant circulated in the system is low Power per TR is low ANSWER DOWNLOAD EXAMIANS APP
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