A Bell Coleman refrigerator working on dense air system as compared to open air system, for the same range of temperature, results in ________ power per tonne of refrigeration.

A. Same

B. Lower

C. Higher

D. None of these

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

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  1. The bypass factor, in case of sensible cooling of air, is given by (where td₁ = Dry bulb temperature…
  2. Where does the lowest temperature occur in a vapour compression cycle?
  3. During sensible cooling,
  4. Environmental protection agencies advice against the use of chlorofluorocarbon refrigerants since
  5. Relative humidity is given by (where pv = Partial pressure of water vapour, pb = Barometric pressure,…
  6. Most air cooled condensers are designed to operate with a temperature difference of
  7. The general rule for rating refrigeration systems (excepting for CO₂ system) is to approximate…
  8. In a spray washing system, if the temperature of water is higher than the dry bulb temperature of entering…
  9. Highest pressure encountered in a refrigeration system should be
  10. The power per tonne of refrigeration is
  11. One ton of the refrigeration is
  12. Air refrigeration cycle is used in
  13. Allowable pressure on high pressure side or ammonia absorption system is of the order of
  14. For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of
  15. The atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C.…
  16. Which of the following cycles uses air as the refrigerant?
  17. The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour…
  18. The bypass factor of a cooling coil decreases with
  19. A one tonne refrigerating machine means that
  20. In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as…
  21. In vapour compression refrigeration system, refrigerant occurs as liquid between
  22. The colour of the flame of halide torch, in case of leakage of Freon refrigerant, will change to
  23. The coefficient of performance is the ratio of the refrigerant effect to the
  24. If a gas is to be liquefied, its temperature must be
  25. The specific humidity during dehumidification process
  26. Which of the following statement is wrong?
  27. During cooling and dehumidification, dry bulb temperature
  28. In larger industrial and commercial reciprocating compression systems, refrigerant widely used is
  29. The condensing pressure due to the presence of non-condensable gases, as compared to that actually required…
  30. Moisture should be removed from refrigerants to avoid