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The colour of the flame of halide torch, in case of leakage of Freon refrigerant, will change to

A. Bright green

B. Yellow

C. Red

D. Orange

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

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  1. Air refrigerator works on
  2. Reducing suction pressure in refrigeration cycle
  3. Most thermostatic expansion valves are set for a superheat of
  4. The Freon group of refrigerants are
  5. On the pressure-enthalpy diagram, condensation and desuperheating is represented by a horizontal line…
  6. In Electrolux refrigerator
  7. The superheating in a refrigeration cycle
  8. For obtaining high COP, the pressure range of compressor should be
  9. The thermostatic expansion valve operates on the changes in the
  10. In case of sensible cooling of air, the coil efficiency is given by
  11. In vapour compression cycle the condition of refrigerant is superheated vapour
  12. At lower temperatures and pressures, the latent heat of vaporisation of a refrigerant
  13. In vapour compression refrigeration system, refrigerant occurs as liquid between
  14. In a psychrometric process, the sensible heat added is 30 kJ/s and the latent heat added is 20 kJ/s.…
  15. The process, generally used in winter air-conditioning to warm and humidity the air, is called
  16. The boiling point of ammonia is
  17. The vapour pressure of refrigerant should be
  18. Environmental protection agencies advice against the use of chlorofluorocarbon refrigerants since
  19. In S.J. unit, one ton of refrigeration is equal to
  20. The wet bulb temperature at 100% relative humidity is ________ dry bulb temperature.
  21. The central air conditioning system has ________ overall efficiency as compared to individual systems.
  22. The alignment circle is marked on the psychrometric chart at
  23. A good refrigerant should have
  24. A Bell Coleman refrigerator working on dense air system as compared to open air system, for the same…
  25. The evaporator changes the low pressure liquid refrigerant from the expansion valve into
  26. The condition of refrigerant as it leaves the compressor in a vapour compression system is
  27. The difference between dry bulb temperature and wet bulb temperature, is called
  28. When the lower temperature of a refrigerating machine is fixed, then the coefficient of performance…
  29. Hydrogen is used in Electrolux refrigeration system so as to _________ the rate of evaporation of the…
  30. The boiling point of ________ is 10.5°C.