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Condensing temperature in a refrigerator is the temperature

A. Of cooling medium

B. Of freezing zone

C. Of evaporator

D. At which refrigerant gas becomes liquid

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  1. For air conditioning the operation theatre in a hospital, the percentage of outside air in the air supplied…
  2. The evaporator changes the low pressure liquid refrigerant from the expansion valve into
  3. Relative humidity is given by (where pv = Partial pressure of water vapour, pb = Barometric pressure,…
  4. The C.O.P. of a Carnot refrigerator in winter will be _________ as compared to C.O.P. in summer.
  5. The bank of tubes at the back of domestic refrigerator is
  6. Which of the following statement is correct for ammonia as a refrigerant?
  7. The thermostatic expansion valve is also called
  8. On the pressure-enthalpy diagram, condensation and desuperheating is represented by a horizontal line…
  9. In a refrigerating machine, heat rejected is _________ heat absorbed.
  10. The freezing point of R-12 is
  11. The atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C.…
  12. A bootstrap air cooling system has
  13. The coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by
  14. An infinite parallel planes with emissivities e₁ and e₂, the interchange factor for radiation…
  15. When the temperature of the surrounding is higher than the temperature of the body, then the heat loss…
  16. It is desired to condition the outside air from 70% relative humidity and 45° C dry bulb temperature…
  17. Chaperon equation is a relation between
  18. In order to cool and dehumidify a stream of moist air, it must be passed over the coil at a temperature
  19. The condition of refrigerant as it leaves the compressor in a vapour compression system is
  20. The refrigerant supplied to a compressor must be
  21. The mass of water vapour present in __________ is called absolute humidity.
  22. For obtaining high COP, the pressure range of compressor should be
  23. Moisture in Freon refrigeration system causes
  24. In case of sensible cooling of air, the coil efficiency is given by
  25. In case of sensible heating of air, the coil efficiency is given by (where B.P.F. = Bypass factor)
  26. In actual air-conditioning applications for R-12 and R-22, and operating at a condenser temperature…
  27. The curved lines on a psychrometric chart indicates
  28. The sensible heat factor during cooling and dehumidification process is given by (where h₁ =…
  29. Air refrigeration cycle is used in
  30. Short horizontal lines on pressure-enthalpy chart show