A refrigerating machine working on Reversed Carnot cycle takes out 2 kW per minute of heat from the system while working between temperature limits of 300?K and 200?K. The C.O.P. and power consumed by the cycle will be

Refrigeration and Air conditioning Mcqs
BILAL KHATTAK0

A.1,1 kW
B.1, 2 kW
C.2. 1 kW
D.2, 2 kW
E.0, 0 kW

Related Mcqs:

  1. A refrigerating system operates on the reversed Carnot cycle. The higher temperature of the refrigerant in the system is 40?C and the lower is – 15?C. The capacity is to be 10 tons. Neglecting all losses, the coefficient of performance of the system would be
  2. A reversed Carnot cycle has a COP of 4. The ratio of higher temperature to lower temperature will be
  3. The efficiency of a Carnot engine is given as 0.75. If the cycle direction is reversed, what will be the value of COP of reversed Carnot cycle
  4. The COP of a reversed Carnot cycle is 5. The ratio of highest absolute temperature to the lowest absolute temperature
  5. The air standard efficiency of a turbine cycle is 56.5%, which one of the following may be Carnot efficiency between the temperature limits of the cycle?
  6. The air standard efficiency of a turbine cycle is 57%. Which one of the following may be Carnot efficiency between the temperature limits of the cycle?
  7. A Carnot refrigerator extracts 100 kcal of heat per minute from a cold room which is maintained at – 15?C and it is discharged to atmosphere 30C?. The horse power required to run the unit would be
  8. A heat engine works on a Carnot cycle with a heat sink at a temperature of 27?C. The efficiency of the engine is 10%, the temperature of the heat source is
  9. For the same temperature limits and heat input, the most efficient cycle is
  10. Reversed Carnot cycle assumes that all processes in the cycle are

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