The air is delivered ________ in one revolution in case of a three lobbed rotor.

A. Two times

B. Three times

C. Four times

D. Six times

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  1. Which is false statement about advantages of multistage compressor in comparison to single stage compressor?
  2. In a compressor, free air delivered is the actual volume delivered at the stated pressure reduced to
  3. Surging is the phenomenon of
  4. In jet engines, paraffin is usually used as the fuel because of its
  5. Pick up the wrong statement
  6. The propulsive power of the rocket is (where v₁ = Jet velocity, and v₂ = Aircraft velocity)
  7. For slow speed large capacity compressor, following type of valve will be best suited
  8. Volumetric efficiency of a compressor decreases with ________ in compression ratio.
  9. The gas in cooling chamber of a closed cycle gas turbine is cooled at
  10. Pick up the false statement
  11. The work done per unit mass of air in compression will be least when n is equal to
  12. Which of the following fuels can be used in turbojet engines?
  13. In a jet propulsion
  14. Maximum temperature in a gas turbine is of the order of
  15. The ratio of isentropic work to Euler work is known as
  16. The volumetric efficiency for reciprocating air compressors is about
  17. If p₁, is the pressure of air entering the L.P. cylinder and p₂ is the pressure of air…
  18. Pick up the correct statement
  19. The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is
  20. The overall isothermal efficiency of compressor is defined as the ratio of
  21. Inter cooling in compressors
  22. The fuel consumption in gas turbines is accounted for by
  23. The volumetric efficiency of a compressor
  24. Ratio of compression is the ratio of
  25. Out of the following, from where you will prefer to take intake for air compressor
  26. The effective power of gas turbines is increased by adding the following in compressor
  27. The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in…
  28. The efficiency and work ratio of a gas turbine plant can be increased by
  29. High air-fuel ratio in gas turbines
  30. Gas turbine cycle with regenerator