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Mechanical efficiency of gas turbines as compared to I.C engines is

A. Higher

B. Lower

C. Same

D. None of the above

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  1. The maximum propulsion efficiency of a turbojet is attained at around following speed
  2. The volumetric efficiency of compressor with increase in compression ratio will
  3. Phenomenon of choking in compressor means
  4. When air is to be compressed at a high pressure, then it is advantageous to use
  5. More than one stage will be preferred for reciprocating compressor if the delivery pressure is more…
  6. The temperature of air at the beginning of the compression stroke is ________ the atmospheric temperature.
  7. Rotary compressors are suitable for
  8. A jet engine has
  9. The power available for takeoff and climb in case of turbojet engine as compared to reciprocating engine…
  10. Gas turbine as compared to internal combustion engine
  11. The thrust on the rotor in a centrifugal compressor is produced by
  12. Clearance volume in actual reciprocating compressors is essential
  13. For slow speed large capacity compressor, following type of valve will be best suited
  14. Ratio of indicated H.P. and brake H.P. is known as
  15. The ratio of the indicated power to the shaft power or brake power of the motor or engine required to…
  16. The capacity of a compressor is expressed in
  17. Gas turbine blades are given a rake
  18. The degree of reaction in an axial flow compressor is defined as the ratio of static enthalpy rise in…
  19. A compressor at high altitudes will require ________ power.
  20. In the cross compounding of the gas turbine plant
  21. Pick up wrong statement. Surging phenomenon in centrifugal compressor depends on
  22. In a jet propulsion
  23. Reheating in a gas turbine
  24. Pick up the correct statement
  25. Reheating in multistage expansion gas turbine results in
  26. The ratio of the discharge pressure to the inlet pressure of air is called
  27. The work ratio of a gas turbine plant is defined as the ratio of
  28. The inlet pressure is always ________ the discharge pressure.
  29. The reason for volumetric efficiency of reciprocating compressor being less than 100 percent is
  30. During base load operation, the best method of controlling compressor is