Refrigeration and Air Conditioning Air refrigerator works on Bell Coleman cycle Reversed Carnot cycle Both (A) and (B) None of these Bell Coleman cycle Reversed Carnot cycle Both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A human body feels comfortable when the heat produced by the metabolism of human body is equal to the Sum of (A) and (B) Heat dissipated to the surroundings Difference of (A) and (B) Heat stored in the human body Sum of (A) and (B) Heat dissipated to the surroundings Difference of (A) and (B) Heat stored in the human body ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will Remain unaffected Decrease May increase or decrease depending on the type of refrigerant used Increase Remain unaffected Decrease May increase or decrease depending on the type of refrigerant used Increase 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 It leads to significant cost reduction The positive work in isentropic expansion of liquid is very small It considerably reduces mass of the system It improves the C.O.P., as the condenser is small It leads to significant cost reduction The positive work in isentropic expansion of liquid is very small It considerably reduces mass of the system It improves the C.O.P., as the condenser is small ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The superheated vapour region, in a pressure enthalpy chart, is represented by the space To the right of saturated liquid line To the left of saturated liquid line Between the saturated liquid line and saturated vapour line None of these To the right of saturated liquid line To the left of saturated liquid line Between the saturated liquid line and saturated vapour line None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative humidity lines on a psychrometric chart are Horizontal and non-uniformly spaced Curved lines Vertical and uniformly spaced Horizontal and uniformly spaced Horizontal and non-uniformly spaced Curved lines Vertical and uniformly spaced Horizontal and uniformly spaced ANSWER DOWNLOAD EXAMIANS APP