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The most efficient method of compressing air is to compress it

A. Isothermally

B. Adiabatically

C. Isentropically

D. Isochronically

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  1. The overall isothermal efficiency of compressor is defined as the ratio of
  2. In a centrifugal compressor, the highest Mach number leading to shock wave in the fluid flow occurs…
  3. The type of rotary compressor used in gas turbines, is of
  4. The ratio of the discharge pressure to the inlet pressure of air is called
  5. Mining industry usually employs following motive power
  6. For speed above 3000 km/hour, it is more advantageous to use
  7. Pressure ratio in gas turbines is the ratio of
  8. For an irreversible gas turbine cycle, the efficiency and work ratio both depend on
  9. The volumetric efficiency for reciprocating air compressors is about
  10. The ratio of isentropic work to Eulers work is known as
  11. Ratio of compression is the ratio of
  12. A large clearance volume in a reciprocating compressor results in
  13. Free air is the air at
  14. For perfect intercooling in a two stage compressor
  15. Isothermal compression efficiency can be attained by running the compressor
  16. The compression ratio in a gas turbine is of the order of
  17. The maximum temperature in a gas turbine is
  18. The most efficient method of compressing air is to compress it
  19. The compressed air may be used
  20. The absolute pressure of air at the outlet of a compressor is called
  21. Maximum work is done in compressing air when the compression is
  22. The type of rotary compressor used in aeroplanes, is of
  23. The minimum work required for a three stage reciprocating air compressor is ________ the work required…
  24. In a compressor, free air delivered is the actual volume delivered at the stated pressure reduced to
  25. An ideal air compressor cycle without clearance on PV diagram can be represented by following processes
  26. The advantage of multistage compression over single stage compression is
  27. For minimum work in multistage compression, assuming same index of compression in all stages
  28. A closed cycle gas turbine works on
  29. In which case the air-fuel ratio is likely to be maximum?
  30. The process, which causes the air to enter the impeller blades of a centrifugal compressor at ________…