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A rotary compressor is driven by an

A. Electric motor

B. Engine

C. Either (A) or (B)

D. None of these

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  1. Ratio of indicated H.P. and brake H.P. is known as
  2. The compressor performance at higher altitude compared to sea level will be
  3. If the clearance ratio for a reciprocating air compressor is 'K', then its volumetric efficiency is…
  4. In multistage compressor, the isothermal compression is achieved by
  5. Gas turbines for power generation are normally used
  6. The pressure of air at the beginning of the compression stroke is ________ the atmospheric pressure.
  7. In open cycle turbojet engines used in military aircraft, reheating the exhaust gas from the turbine…
  8. For minimum work required to compress and deliver a quantity of air by multistage compression
  9. In turbo fan engine, the jet velocity as compared to turbojet engine is
  10. Pressure ratio in gas turbines is the ratio of
  11. Which of the following plants is smallest and lightest for generating a given amount of power?
  12. Volumetric efficiency of a compressor without clearance volume
  13. In the aircraft propellers
  14. The maximum temperature in a gas turbine is
  15. The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in…
  16. Pick up the false statement
  17. Losses in a centrifugal compressor are due to
  18. The stagnation pressure rise in a centrifugal compressor takes place
  19. The air power of the compressor is also known as
  20. Gas turbines use following type of air compressor
  21. The assumption made in two stage compression with intercooler is that
  22. Intercooling in gas turbines
  23. A large clearance volume in a reciprocating compressor results in
  24. With the decrease in compression ratio, the volumetric efficiency
  25. Volumetric efficiency is
  26. Volumetric efficiency of a compressor decreases with ________ in compression ratio.
  27. High air-fuel ratio is used in gas turbines
  28. The process, which causes the air to enter the impeller blades of a centrifugal compressor at ________…
  29. In a turbo jet engine, subsequent to heat addition to compressed air, to get the power output, the working…
  30. Only rocket engines can be propelled to space because