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The closed cycle in gas turbines

A. Provides greater flexibility

B. Provides lesser flexibility

C. In never used

D. Is used when gas is to be burnt

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  1. In the axial flow gas turbine, the work ratio is the ratio of
  2. The maximum propulsion efficiency of a turbojet is attained at around following speed
  3. The efficiency of the vane blower is (where W₁ = Workdone due to compression, and W₂ =…
  4. The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram…
  5. Which of the following statement is correct relating to rocket engines?
  6. As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure…
  7. An ideal air compressor cycle without clearance on PV diagram can be represented by following processes
  8. The pressure ratio of an ideal vaned compressor with increase in mass flow rate
  9. 1 m of air at atmospheric condition weighs approximately
  10. If infinite number of heaters be used in a gas turbine, then expansion process in turbine approaches
  11. The closed cycle in gas turbines
  12. Only rocket engines can be propelled to space because
  13. The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio)
  14. Volumetric efficiency is
  15. The performance of air compressor at high altitudes will be ________ as compared to that at sea level.
  16. Ramjet engine
  17. If the clearance ratio for a reciprocating air compressor is 'K', then its volumetric efficiency is…
  18. The ratio of the net work obtained from the gas turbine plant to the turbine work is known as
  19. With the decrease in compression ratio, the volumetric efficiency
  20. The air-fuel ratio in gas turbines is of the order of
  21. The inlet pressure is always ________ the discharge pressure.
  22. The maximum delivery pressure in a rotary air compressor is
  23. Which is false statement about multistage compression?
  24. Gas turbine cycle with regenerator
  25. The advantage of multistage compression over single stage compression is
  26. The assumption made in two stage compression with intercooler is that
  27. The compressor capacity with decrease in suction temperature
  28. The thermodynamic efficiency of rotary compressor is based on
  29. Reciprocating air compressor is best suited for
  30. In jet engines, for the efficient production of large power, fuel is burnt in an atmosphere of