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In open cycle turbojet engines used in military aircraft, reheating the exhaust gas from the turbine by burning, more fuel is used to increase the

A. Thrust and range of aircraft

B. Efficiency of the engine

C. Both (A) and (B)

D. None of these

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  1. A rocket engine uses ________ for the combustion of its fuel.
  2. The specific output per kg mass flow rate of a gas turbine (having fixed efficiencies of compressor…
  3. The efficiency of roots blower ________ with the increase in pressure ratio.
  4. The capacity of compressor will be highest when its intake temperature is
  5. The ratio of isentropic work to Eulers work is known as
  6. The working fluid in a turbine is
  7. Actual compression curve is
  8. In a centrifugal compressor, the highest Mach number leading to shock wave in the fluid flow occurs…
  9. In the axial flow gas turbine, the work ratio is the ratio of
  10. The maximum propulsion efficiency of a turbojet is attained at around following speed
  11. In jet engines the products of combustion after passing through the gas turbine are discharged into
  12. Pick up the wrong statement
  13. The work ratio of simple gas turbine cycle depends on
  14. Gas turbine cycle with regenerator
  15. In a double acting compressor, the air is compressed
  16. Which one of the following is the effect of blade shape on performance of a centrifugal compressor?
  17. The clearance volume of the air compressor is kept minimum because
  18. Ram compression in turbojet involves
  19. Fighter bombers use following type of engine
  20. Efficiency of gas turbine is increased by
  21. The maximum delivery pressure in a rotary air compressor is
  22. The pressure and temperature conditions of air at the suction of compressor are
  23. Which is false statement about advantages of multistage compressor in comparison to single stage compressor?
  24. In gas turbines, high thermal efficiency is obtained in
  25. Reciprocating air compressor is best suited for
  26. A rocket engine for the combustion of its fuel
  27. Which of the following statement is correct as regard to centrifugal compressors?
  28. The absolute pressure of air at the outlet of a compressor is called
  29. The air power of the compressor is also known as
  30. An ideal air compressor cycle with clearance on PV diagram can be represented by following processes