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Reheating in a gas turbine

A. Increases the thermal efficiency

B. Increases the compressor work

C. Increases the turbine work

D. Decreases the thermal efficiency

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  1. The ratio of the discharge pressure to the inlet pressure of air is called
  2. The pressure of air at the beginning of the compression stroke is ________ the atmospheric pressure.
  3. Pick up the wrong statement
  4. Pick up wrong statement. Surging phenomenon in centrifugal compressor depends on
  5. Maximum work is done in compressing air when the compression is
  6. The efficiency of jet engine is
  7. A machine used to raise the pressure of air is called
  8. The pressure ratio of an ideal vaned compressor with increase in mass flow rate
  9. The velocity of air entering in a rocket is ________ as compared to an aircraft.
  10. Actual compression curve is
  11. Maximum temperature in a gas turbine is of the order of
  12. In a four stage compressor, if the pressure at the first and third stage is 1 bar and 16 bar, then the…
  13. The fuel consumption in gas turbines is accounted for by
  14. The type of rotary compressor used in aeroplanes, is of
  15. Pick up the correct statement
  16. In n₁ and n₂ are the indices of compression for the first and second stage of compression,…
  17. An aftercooler is used to
  18. Work ratio of a gas turbine may be improved by
  19. The ratio of the net work obtained from the gas turbine plant to the turbine work is known as
  20. A compressor mostly used for supercharging of I.C. engines is
  21. Rotary compressor is best suited for
  22. In a high pressure compressor, the delivery pressure is
  23. For minimum work in multistage compression, assuming same index of compression in all stages
  24. Adiabatic compression is one in which
  25. High air-fuel ratio is used in gas turbines
  26. The ratio of isentropic work to Eulers work is known as
  27. In a centrifugal compressor, the ratio of the ________ to the blade velocity is called slip factor.
  28. If p₁, is the pressure of air entering the L.P. cylinder and p₂ is the pressure of air…
  29. The stagnation pressure rise in a centrifugal compressor takes place
  30. The degree of reaction is usually kept ________ for all types of axial flow compressors.