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The leakage in a refrigeration system using Freon is detected by

A. Halide torch

B. Sulphur sticks

C. Soap and water

D. All of these

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  1. A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature…
  2. The cooling system used for supersonic aircrafts and rockets is
  3. Degree of saturation or percentage humidity is
  4. The relative coefficient of performance is
  5. The relative coefficient of performance is equal to
  6. Allowable pressure on high pressure side or ammonia absorption system is of the order of
  7. The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature…
  8. A human body feels comfortable when the heat produced by the metabolism of human body is equal to the
  9. A refrigeration system
  10. In a bootstrap air evaporative cooling system, the evaporator is provided
  11. Which of the following refrigerants has lowest freezing point?
  12. During cooling and dehumidification, dry bulb temperature
  13. The refrigerant widely used in domestic refrigerators is
  14. The specific humidity during dehumidification process
  15. The minimum temperature to which water can be cooled in a cooling tower is
  16. In a vapour compression system, the condition of refrigerant is dry saturated vapour
  17. The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in…
  18. The leakage in a refrigeration system using Freon is detected by
  19. The thermostatic expansion valve operates on the changes in the
  20. An Electrolux refrigerator is called a __________ absorption system.
  21. Most air cooled condensers are designed to operate with a temperature difference of
  22. The specific humidity during heating and humidification process.
  23. The sensible heat factor during the heating and humidification process is given by (where h₁…
  24. The human body feels comfortable when the heat stored in the body is
  25. Nusselt number (NN) is given by
  26. Air refrigeration cycle is used in
  27. A standard ice point temperature corresponds to the temperature of
  28. A thermostatic expansion valve in a refrigeration system
  29. If a heat pump cycle operates between the condenser temperature of +27°C and evaporator temperature…
  30. While designing the refrigeration system of an aircraft, the prime consideration is that the