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One ton of the refrigeration is

A. The standard unit used in refrigeration problems

B. The cooling effect produced by melting 1 ton of ice

C. The refrigeration effect to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours

D. The refrigeration effect to produce 1 ton of ice at NTP conditions

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. The C.O.P. of a Carnot refrigerator in winter will be _________ as compared to C.O.P. in summer.
  2. The heat rejection factor (HRF) is given by
  3. Chaperon equation is applicable for registration at
  4. In vapour compression cycle, the condition of refrigerant is high pressure saturated liquid
  5. The general rule for rating refrigeration systems (excepting for CO₂ system) is to approximate…
  6. In a psychrometric process, the sensible heat added is 30 kJ/s and the latent heat added is 20 kJ/s.…
  7. The condition of refrigerant after passing through the expansion or throttle valve, in a vapour compression…
  8. Air refrigeration cycle is used in
  9. Condensing temperature in a refrigerator is the temperature
  10. Domestic refrigerator working on vapour compression cycle uses the following type of expansion device
  11. The comfort conditions in air conditioning are at (where DBT = Dry bulb temperature, and RH = Relative…
  12. The vertical and uniformly spaced lines on a psychrometric chart indicates
  13. Pick up the correct statement about giving up of heat from one medium to other in ammonia absorption…
  14. A vapour absorption refrigerator uses __________ as a refrigerant.
  15. For evaporators and condensers, for the given conditions, the logarithmic mean temperature difference…
  16. Relative humidity is given by (where pv = Partial pressure of water vapour, pb = Barometric pressure,…
  17. The bank of tubes at the back of domestic refrigerator is
  18. During heating and humidification, the final relative humidity of air
  19. In case of sensible heating of air, the coil efficiency is given by (where B.P.F. = Bypass factor)
  20. The mass of water vapour present in __________ is called absolute humidity.
  21. A one tonne refrigerating machine means that
  22. The colour of the flame of halide torch, in case of leakage of Freon refrigerant, will change to
  23. Degree of saturation or percentage humidity is
  24. In mechanical refrigeration system, the refrigerant has the maximum temperature
  25. While designing the refrigeration system of an aircraft, the prime consideration is that the
  26. The desirable property of a refrigerant is
  27. The wet bulb temperature at 100% relative humidity is ________ dew point temperature.
  28. Aqua ammonia is used as refrigerant in the following type of refrigeration system
  29. In refrigerators, the temperature difference between the evaporating refrigerant and the medium being…
  30. The bypass factor for a cooling coil