One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice

A. In 1 hour

B. In 1 minute

C. In 24 hours

D. In 12 hours

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  1. The superheating in a refrigeration cycle
  2. Chaperon equation is applicable for registration at
  3. When the lower temperature of a refrigerating machine is fixed, then the coefficient of performance…
  4. The relative humidity is defined as
  5. The sensible heat factor during cooling and dehumidification process is given by (where h₁ =…
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  12. A thermostatic expansion valve in a refrigeration system
  13. In vapour compression cycle, the condition of refrigerant is saturated liquid
  14. Pressure of water vapour is given by
  15. In case of sensible cooling of air, the coil efficiency is given by
  16. The unit of thermal diffusivity is
  17. The bypass factor (B. P. F.) in case of sensible heating of air is (Where td₁ = Dry bulb temperature…
  18. For air conditioning the operation theatre in a hospital, the percentage of outside air in the air supplied…
  19. During humidification process, dry bulb temperature
  20. The coefficient of performance of a domestic refrigerator is ________ as compared to a domestic air-conditioner.
  21. The specific humidity during humidification process
  22. The process, generally used in winter air-conditioning to warm and humidity the air, is called
  23. Aqua ammonia is used as refrigerant in the following type of refrigeration system
  24. In air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is
  25. The refrigerant used in small tonnage commercial machines (hermetically sealed units) is
  26. Most of the domestic refrigerators work on the following refrigeration system
  27. Relative humidity is given by (where pv = Partial pressure of water vapour, pb = Barometric pressure,…
  28. During sensible cooling,
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  30. The temperature of air recorded by a thermometer, when it is not affected by the moisture present in…