- (A) high
- (B) low
- (C) optimum
- (D) any value
- (E) there is no such criterion
Mechanical Engineering Mcqs
- (A) increases COP
- (B) decreases COP
- (C) COP remains unaltered
- (D) other factors decide COP
- (E) unpredictable
- (A) ineffective refrigeration
- (B) high power consumption
- (C) freezing automatic regulating valve
- (D) corrosion of whole system
- (E) breakdown of refrigerant
- (A) halide torch which on detection produces greenish flame lighting
- (B) sulphur sticks which on detection gives white smoke
- (C) using reagents
- (D) smelling
- (E) sensing reduction in pressure
- (A) involves no change in volume
- (B) takes place at constant temperature
- (C) takes place at constant entropy
- (D) takes place at constant enthalpy
- (E) takes place at constant pressure
- (A) suction of compressor
- (B) delivery of compressor
- (C) high pressure side close to receiver
- (D) low pressure side near receiver
- (E) anywhere in the cycle
- (A) condensation of the refrigerant vapour
- (B) evaporation of the refrigerant liquid
- (C) compression of the refrigerant vapour
- (D) metering of the refrigerant liquid
- (E) none of the above
- (A) compressor
- (B) condenser
- (C) evaporator
- (D) expansion valve
- (E) all of the above
- (A) 0.1 to 0.5 h.p. per ton of refrigeration
- (B) 0.5 to 0.8 h.p. per ton of refrigeration
- (C) 1 to 2 h.p. per ton of refrigeration
- (D) 2 to 5 h.p. per ton of refrigeration
- (E) 5 to 10 h.p. per ton refrigeration
- (A) condenser
- (B) evaporator
- (C) absorber
- (D) condenser and absorber
- (E) condenser, absorber and separator (rectifier)
