Gas turbines use following type of air compressor

A. Centrifugal type

B. Reciprocating type

C. Lobe type

D. Axial flow type

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  1. Turbofan engine employs
  2. Which one of the following is the effect of blade shape on performance of a centrifugal compressor?
  3. The clearance volume of the air compressor is kept minimum because
  4. Clearance volume in actual reciprocating compressors is essential
  5. Gas turbine as compared to internal combustion engine
  6. What will be the volume of air at 327°C if its volume at 27°C is 1.5 m³/ mt?
  7. The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is
  8. The power available for takeoff and climb in case of turbojet engine as compared to reciprocating engine…
  9. Reheating in multistage expansion gas turbine results in
  10. Stalling of blades in axial flow compressor is the phenomenon of
  11. In a single stage, single acting reciprocating air compressor without clearance volume, the workdone…
  12. In a turbo jet engine, subsequent to heat addition to compressed air, to get the power output, the working…
  13. When the outlet angle from the rotor of a centrifugal compressor is more than 90°, then the blades…
  14. The maximum temperature in a gas turbine is
  15. In a jet engine, the air-fuel ratio is
  16. The volume of air delivered by the compressor is called
  17. Propulsive efficiency is defined as ratio of
  18. The criterion of the thermodynamic efficiency for rotary compressor is
  19. A gas turbine used in air craft should have
  20. Reheating in gas turbine results in
  21. Volumetric efficiency of a compressor without clearance volume
  22. An ideal air compressor cycle without clearance on PV diagram can be represented by following processes
  23. For supplying intermittent small quantity of air at high pressure, following compressor is best suited
  24. Pick up the correct statement
  25. The efficiency of jet engine is
  26. Pick up the correct statement
  27. The compressor capacity is defined as the
  28. The ratio of the discharge pressure to the inlet pressure of air is called
  29. In a centrifugal compressor, the highest Mach number leading to shock wave in the fluid flow occurs…
  30. In a single acting reciprocating compressor, the suction, compression and delivery of air takes place…