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Bell Coleman cycle is a

A. Reversed Carnot cycle

B. Reversed Otto cycle

C. Reversed Joule cycle

D. Reversed Rankine cycle

Correct Answer : C.


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  1. During dehumidification process, __________ remains constant.
  2. The reciprocating refrigerant compressors are very suitable for
  3. Under cooling in a refrigeration cycle
  4. An infinite parallel planes with emissivities e₁ and e₂, the interchange factor for radiation…
  5. The specific humidity during dehumidification process
  6. The COP of a vapour compression plant in comparison to vapour absorption plant is
  7. During sensible heating of air _________ decreases.
  8. Chaperon equation is a relation between
  9. The boiling point of ammonia is
  10. The curved lines on a psychrometric chart indicates
  11. The optimum effective temperature for human comfort is
  12. The difference between dry bulb temperature and dew point temperature, is called
  13. A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature…
  14. Domestic refrigerator working on vapour compression cycle uses the following type of expansion device
  15. The comfort conditions in air conditioning are at (where DBT = Dry bulb temperature, and RH = Relative…
  16. The formation of frost on cooling coils in a refrigerator
  17. The sub-cooling in a refrigeration cycle
  18. Most air cooled condensers are designed to operate with a temperature difference of
  19. The air cooling system mostly used in transport type aircrafts is
  20. In a refrigeration system, heat absorbed in comparison to heat rejected is
  21. The humidity ratio or specific humidity is the mass of water vapour present in
  22. In case of sensible heating of air, the coil efficiency is given by (where B.P.F. = Bypass factor)
  23. In a lithium bromide absorption refrigeration system
  24. A refrigerant with the highest critical pressure is
  25. One tonne of refrigeration (1TR) means that the heat removing capacity is
  26. In a domestic refrigerator, a capillary tube controls the flow of refrigerant from the
  27. The human body feels comfortable when the heat stored in the body is
  28. Which of the following refrigerants has lowest freezing point?
  29. The relative coefficient of performance is
  30. The wet bulb depression indicates _________ humidity of the air.