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In turbo fan engine, the jet velocity as compared to turbojet engine is

A. Less

B. More

C. Same

D. May be less or more depending upon speed

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  1. The closed cycle in gas turbines
  2. Pick up the correct statement
  3. The ratio of isentropic work to Euler work is known as
  4. In open cycle turbojet engines used in military aircraft, reheating the exhaust gas from the turbine…
  5. In jet engines the products of combustion after passing through the gas turbine are discharged into
  6. Mining industry usually employs following motive power
  7. The thrust of a jet propulsion power unit can be increased by
  8. In a single stage, single acting reciprocating air compressor, without clearance volume, the workdone…
  9. Temperature of gases at end of compression as compared to exhaust gases in a gas turbine is
  10. A jet engine has
  11. For maximum work, the reheating should be done to an intermediate pressure of (Where p₁ = Maximum…
  12. A jet engine works on the principle of conservation of
  13. The thrust on the rotor in a centrifugal compressor is produced by
  14. Rotary compressor is best suited for
  15. Gas turbines for power generation are normally used
  16. In the cross compounding of the gas turbine plant
  17. Aeroplanes employ following type of compressor
  18. For perfect intercooling in a three stage compressor
  19. The efficiency of roots blower ________ with the increase in pressure ratio.
  20. Volumetric efficiency of a compressor decreases with ________ in compression ratio.
  21. Rotary compressors are suitable for
  22. The following is true for an open cycle gas turbine having exhaust heat exchanger. Atmospheric air before…
  23. The indicated work per unit mass of air delivered is
  24. The ratio of specific weight/h.p. of gas turbine and I.C engines may be typically of the order of
  25. With the decrease in compression ratio, the volumetric efficiency
  26. Water gas is produced by
  27. In turbo fan engine, the jet velocity as compared to turbojet engine is
  28. Propulsion efficiency of the following order is obtained in practice
  29. The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in…
  30. Inter cooling in compressors