The propulsive power of the rocket is (where v₁ = Jet velocity, and v₂ = Aircraft velocity)

A. (v₁² -v₂²)/2g

B. (v₁ - v₂)²/2g

C. (v₁² -v₂²)/g

D. (v₁ - v₂)²/g

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  1. The effective power of gas turbines is increased by adding the following in compressor
  2. The ratio of the net work obtained from the gas turbine plant to the turbine work is known as
  3. To avoid moisture troubles, the branch connections from compressed air lines should be taken from
  4. Pick up the correct statement
  5. The overall isothermal efficiency of the compressor is defined as the ratio of
  6. Which of the following statement is correct?
  7. The indicated work per unit mass of air delivered is
  8. The efficiency of a jet engine is higher at
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  10. Which of the following statement is correct?
  11. In multistage compressor, the isothermal compression is achieved by
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  13. Surging is the phenomenon of
  14. The pressure ratio in gas turbines is of the order of
  15. The maximum temperature in a gas turbine is
  16. Axial flow compressor resembles
  17. The compressor efficiency is the
  18. The overall efficiency of the compressed air system is the
  19. The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of
  20. When the temperature of air leaving the intercooler, in a two stage compression with intercooler, is…
  21. Work ratio of a gas turbine plant is ratio of
  22. The specific output per kg mass flow rate of a gas turbine (having fixed efficiencies of compressor…
  23. The mean effective pressure of the compressor is the
  24. A jet engine has
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  26. Turbofan engine employs
  27. In an axial flow compressor, the ratio of pressure in the rotor blades to the pressure rise in the compressor…
  28. If the flow of air through the compressor is perpendicular to its axis, then it is a
  29. Choose the correct statement
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