The centrifugal compressors are generally used for refrigerants that require

A. Small displacements and low condensing pressures

B. Large displacements and high condensing pressures

C. Small displacements and high condensing pressures

D. Large displacements and low condensing pressures

Related Questions

  1. Short horizontal lines on pressure-enthalpy chart show
  2. Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere?
  3. Ammonia is
  4. The cooling system used for supersonic aircrafts and rockets is
  5. The freezing point of R-12 is
  6. A vapour absorption refrigeration system
  7. The boiling point of ammonia is
  8. In aqua ammonia and Lithium bromide water absorption refrigeration systems, the refrigerants are respectively
  9. In vapour compression cycle the condition of refrigerant is superheated vapour
  10. In a pressure enthalpy chart, the space to the left of the saturated liquid line represents
  11. The coefficient of performance of Heat Pump is always __________ one.
  12. Mass flow ratio of NH₃ in comparison to Freon12 for same refrigeration load and same temperature…
  13. The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature…
  14. The relative humidity lines on a psychrometric chart are
  15. Which of the following is not a desirable property of a refrigerant?
  16. If a gas is to be liquefied, its temperature must be
  17. The central air conditioning system has ________ overall efficiency as compared to individual systems.
  18. At lower temperatures and pressures, the latent heat of vaporisation of a refrigerant
  19. Degree of saturation or percentage humidity is
  20. Chaperon equation is a relation between
  21. The coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by
  22. The pressure at the outlet of a refrigerant compressor is called
  23. The fluids used in Electrolux refrigerator are
  24. A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing…
  25. The vapour pressure of refrigerant should be
  26. Nusselt number (NN) is given by
  27. For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of
  28. The atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C.…
  29. Rick up the incorrect statement
  30. The C.O.P. of a refrigerator working on a reversed Carnot cycle is (where T₁ = Lowest absolute…

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