Q.

Air refrigeration cycle is used in

  • ADomestic refrigerators
  • BCommercial refrigerators
  • CAir conditioning
  • DGas liquefaction
Correct Answer : (D)

Gas liquefaction

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Nusselt number (NN) is given by

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In case of sensible heating of air, the coil efficiency is given by (where B.P.F. = Bypass factor)

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