The domestic refrigerator uses following type of compressor

A. Centrifugal

B. Axial

C. Miniature sealed unit

D. Piston type reciprocating

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  1. When the air is passed through an insulated chamber having sprays of water maintained at a temperature…
  2. A refrigerant compressor is used to
  3. The wet bulb temperature during sensible heating of air
  4. Mass flow ratio of NH₃ in comparison to Freon12 for same refrigeration load and same temperature…
  5. The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour…
  6. The material of pipe lines for a system using Freon as a refrigerant should be
  7. The wet bulb temperature at 100% relative humidity is ________ dry bulb temperature.
  8. Hydrogen is used in Electrolux refrigeration system so as to _________ the rate of evaporation of the…
  9. A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing…
  10. The refrigerant after condensation process is cooled below the saturation temperature before throttling.…
  11. Which of the following is not a desirable property of a refrigerant?
  12. The specific humidity during cooling and dehumidification
  13. The humidity ratio or specific humidity is the mass of water vapour present in
  14. In a lithium bromide absorption refrigeration system
  15. Superheating in a refrigeration cycle
  16. The bank of tubes at the back of domestic refrigerator is
  17. Which of the following statement is correct?
  18. In larger industrial and commercial reciprocating compression systems, refrigerant widely used is
  19. R-12 is generally preferred over R-22 in deep freezers since
  20. The difference between dry bulb temperature and wet bulb temperature, is called
  21. In a domestic refrigerator, a capillary tube controls the flow of refrigerant from the
  22. In a domestic vapour compression refrigerator, the refrigerant commonly used is
  23. Which of the following statement is correct for ammonia as a refrigerant?
  24. When the temperature of the surrounding is higher than the temperature of the body, then the heat loss…
  25. For air conditioning the operation theatre in a hospital, the percentage of outside air in the air supplied…
  26. Pressure of water vapour is given by
  27. The ratio of heat extracted in the refrigerator to the work-done on the refrigerant is called
  28. Domestic refrigerator working on vapour compression cycle uses the following type of expansion device
  29. Freon group of refrigerants are
  30. The relative coefficient of performance is equal to