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The type of rotary compressor used in aeroplanes, is of

A. Centrifugal type

B. Axial flow type

C. Radial flow type

D. None of these

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  1. Maximum delivery pressure is a rotary air compressor is of the order of
  2. Work ratio of a gas turbine plant is ratio of
  3. In a jet engine, the air-fuel ratio is
  4. The degree of reaction in an axial flow compressor is defined as the ratio of static enthalpy rise in…
  5. Surging is the phenomenon of
  6. When the temperature of air leaving the intercooler, in a two stage compression with intercooler, is…
  7. The volume of air delivered in a medium capacity air compressor per unit time is
  8. In a closed cycle gas turbine, the air is compressed
  9. Air-fuel ratio in a jet engine will be of the order of
  10. For perfect intercooling in a three stage compressor
  11. A compressor at high altitude will draw
  12. The work ratio of simple gas turbine cycle depends on
  13. Atmospheric pressure is 1.03 kg/cm and vapour pressure is 0.03 kg/cm. The air pressure will be
  14. The most efficient method of compressing air is to compress it
  15. A centrifugal compressor works on the principle of
  16. A 3 m³/min compressor means that it
  17. Which of the following plants is smallest and lightest for generating a given amount of power?
  18. In the axial flow gas turbine, the work ratio is the ratio of
  19. In a centrifugal compressor, an increase in speed at a given pressure ratio causes
  20. Which of the following statement is correct?
  21. In which case the air-fuel ratio is likely to be maximum?
  22. The ratio of work done per cycle to the swept volume in case of compressor is called
  23. The assumption made in two stage compression with intercooler is that
  24. The ratio of the increase in pressure in rotor blades to total increase in pressure in the stage is…
  25. The temperature of air at the beginning of the compression stroke is ________ the atmospheric temperature.
  26. The pressure ratio in gas turbines is of the order of
  27. The ratio of isentropic work to Eulers work is known as
  28. For minimum work required to compress and deliver a quantity of air by multistage compression
  29. The volumetric efficiency of a compressor falls roughly as follows for every 5°C increase in atmospheric…
  30. Pick up the wrong statement