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Propulsive efficiency is defined as ratio of

A. Thrust power and fuel energy

B. Engine output and propulsive power

C. Propulsive power and fuel input

D. Thrust power and propulsive power

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  1. Aeroplanes employ following type of compressor
  2. The air power of the compressor is also known as
  3. Which of the following statement is correct as regard to centrifugal compressors?
  4. Reheating in a gas turbine
  5. Which of the following fuels can be used in turbojet engines?
  6. Pick up the correct statement
  7. Separators in compressor installations are located
  8. Atmospheric pressure is 1.03 kg/cm and vapour pressure is 0.03 kg/cm. The air pressure will be
  9. Open cycle gas turbine works on
  10. The closed cycle in gas turbines
  11. The overall isothermal efficiency of compressor is defined as the ratio of
  12. High air-fuel ratio is used in gas turbines
  13. In an axial flow compressor, the ratio of pressure in the rotor blades to the pressure rise in the compressor…
  14. Cylinder clearance in a compressor should be
  15. Pick up the wrong statement
  16. A closed cycle gas turbine consists of a
  17. Fighter bombers use following type of engine
  18. Adiabatic compression is one in which
  19. In multistage compressor, the isothermal compression is achieved by
  20. Water gas is produced by
  21. Pick up the correct statement
  22. An air compressor may be controlled by
  23. Ramjet engine
  24. The propulsive power of the rocket is (where v₁ = Jet velocity, and v₂ = Aircraft velocity)
  25. The effective power of gas turbines is increased by adding the following in compressor
  26. In a single stage, single acting reciprocating air compressor without clearance volume, the workdone…
  27. Compression efficiency is compared against
  28. A compressor at high altitudes will require ________ power.
  29. Mining industry usually employs following motive power
  30. The ratio of specific weight/h.p. of gas turbine and I.C engines may be typically of the order of