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The bypass factor of a cooling coil decreases with

A. Decrease in fin spacing and increase in number of rows

B. Increase in fin spacing and increase in number of rows

C. Increase in fin spacing and decrease in number of rows

D. Decrease in fin spacing and decrease in number of rows

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  1. The total pressure exerted by the mixture of air and water vapour is equal to the sum of pressures which…
  2. The coefficient of performance of Heat Pump is always __________ one.
  3. The pressure at the outlet of a refrigerant compressor is called
  4. An evaporator is also known as
  5. In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as…
  6. The mass of water vapour present in __________ is called absolute humidity.
  7. In vapour compression cycle using NH₃ as refrigerant, initial charge is filled at
  8. R-12 is generally preferred over R-22 in deep freezers since
  9. Vapour compression refrigeration is somewhat like
  10. During dehumidification process, __________ remains constant.
  11. In vapour compression cycle, the condition of refrigerant is very wet vapour
  12. Highest pressure encountered in a refrigeration system should be
  13. The thermal diffusivity for gases is generally __________ those for liquids.
  14. The bypass factor, in case of sensible cooling of air, is given by (where td₁ = Dry bulb temperature…
  15. The ratio of heat extracted in the refrigerator to the work-done on the refrigerant is called
  16. The wet bulb temperature at 100% relative humidity is ________ dry bulb temperature.
  17. A refrigeration system
  18. In case of sensible cooling of air, the coil efficiency is given by
  19. A vapour absorption refrigerator uses __________ as a refrigerant.
  20. The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture…
  21. Reducing suction pressure in refrigeration cycle
  22. The central air conditioning system has ________ overall efficiency as compared to individual systems.
  23. Pressure of water vapour is given by
  24. The atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C.…
  25. The evaporator changes the low pressure liquid refrigerant from the expansion valve into
  26. The coefficient of performance of a domestic refrigerator is ________ as compared to a domestic air-conditioner.
  27. In a refrigeration cycle, the flow of refrigerant is controlled by
  28. The centrifugal compressors are generally used for refrigerants that require
  29. The temperature of ammonia after compression in a vapour compression system is
  30. The power per tonne of refrigeration is