Rotary compressors are suitable for

A. Large discharge at high pressure

B. Low discharge at high pressure

C. Large discharge at low pressure

D. Low discharge at low pressure

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  1. During peak load periods, the best method of controlling compressors is
  2. Out of the following, from where you will prefer to take intake for air compressor
  3. Which of the following fuels can be used in turbojet engines?
  4. Gas turbine as compared to internal combustion engine
  5. The propulsive power of the rocket is (where v₁ = Jet velocity, and v₂ = Aircraft velocity)
  6. The type of rotary compressor used in gas turbines, is of
  7. The main purpose of reheating in gas turbine is to
  8. Which of the following statement is correct relating to rocket engines?
  9. A jet engine works on the principle of conservation of
  10. Reheating in multistage expansion gas turbine results in
  11. For an irreversible gas turbine cycle, the efficiency and work ratio both depend on
  12. Which of the following statement is correct?
  13. Gas turbine works on
  14. Intercooling in gas turbines
  15. A large clearance volume in a reciprocating compressor results in
  16. The maximum propulsion efficiency of a turbojet is attained at around following speed
  17. The workdone on a compressor will be minimum if air is taken from
  18. The volume of air sucked by the compressor during its suction stroke is called
  19. The ratio of workdone per cycle to the stroke volume of the compressor is known as
  20. Water is injected in gas turbine cycle to
  21. The working fluid in a turbine is
  22. Temperature of gases at end of compression as compared to exhaust gases in a gas turbine is
  23. A centrifugal compressor works on the principle of
  24. The temperature of air at the beginning of the compression stroke is ________ the atmospheric temperature.
  25. A rotary compressor is driven by an
  26. Pick up the correct statement
  27. The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio)
  28. Diffuser in a compressor is used to
  29. An ideal air compressor cycle with clearance on PV diagram can be represented by following processes
  30. The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is