The central air conditioning system has ________ overall efficiency as compared to individual systems.

A. Same

B. Lower

C. Higher

D. None of these

Related Questions

  1. The alignment circle is marked on the psychrometric chart at
  2. Accumulators should have adequate volume to store refrigerant charge at least
  3. Which of the following refrigerant has the highest freezing point.
  4. Which of the following is not a desirable property of a refrigerant?
  5. The index which correlates the combined effects of air temperature, relative humidity and air velocity…
  6. Which of the following refrigerant has the lowest freezing point?
  7. The C.O.P. of an absorption type refrigerator is given by (where T₁ = Temperature at which the…
  8. If the evaporator temperature of a plant is lowered, keeping the condenser temperature constant, the…
  9. The moisture in a refrigerant is removed by
  10. The freezing point of R-12 is
  11. The horizontal and non-uniformly spaced lines on a psychrometric chart indicates
  12. Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere?
  13. Which of the following statement is wrong?
  14. The cooling system used for supersonic aircrafts and rockets is
  15. During a refrigeration cycle, heat is rejected by the refrigerant in a
  16. During sensible cooling,
  17. The dehumidification process, on the psychrometric chart, is shown by
  18. A one tonne refrigerating machine means that
  19. An evaporator is also known as
  20. A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called
  21. The temperature of air recorded by a thermometer, when it is not affected by the moisture present in…
  22. The COP of a vapour compression plant in comparison to vapour absorption plant is
  23. Air refrigeration cycle is used in
  24. In mechanical refrigeration system, the refrigerant has the maximum temperature
  25. In a reversed Brayton cycle, the heat is absorbed by the air during
  26. The evaporator changes the low pressure liquid refrigerant from the expansion valve into
  27. It is desired to condition the outside air from 70% relative humidity and 45° C dry bulb temperature…
  28. The condition of refrigerant after passing through the expansion or throttle valve, in a vapour compression…
  29. The colour of the flame of halide torch, in case of leakage of Freon refrigerant, will change to
  30. The thermostatic expansion valve is used in __________ type of evaporators.

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