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The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram is

A. Less

B. More

C. Same

D. More/less depending on compressor capacity

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  1. The maximum propulsion efficiency of a turbojet is attained at around following speed
  2. Which of the following plants is smallest and lightest for generating a given amount of power?
  3. Reciprocating air compressor is best suited for
  4. Phenomenon of choking in compressor means
  5. If the clearance ratio for a reciprocating air compressor is 'K', then its volumetric efficiency is…
  6. The compression ratio for the compressor is always __________ unity.
  7. The axial flow compressor is preferred in aircraft gas turbines because of
  8. In n₁ and n₂ are the indices of compression for the first and second stage of compression,…
  9. Which of the following statement is correct relating to rocket engines?
  10. The ratio of isentropic work to Eulers work is known as
  11. Reheating in multistage expansion gas turbine results in
  12. The air entry velocity m a rocket as compared to aircraft is
  13. Gas turbine works on
  14. The volume of air delivered in a medium capacity air compressor per unit time is
  15. Ramjet engine
  16. Stalling of blades in axial flow compressor is the phenomenon of
  17. The net work input required for compressor with increase in clearance volume
  18. What will be the volume of air at 327°C if its volume at 27°C is 1.5 m³/ mt?
  19. Fighter bombers use following type of engine
  20. A compressor at high altitude will draw
  21. The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of
  22. In axial flow compressor, exit flow angle deviation from the blade angle is a function of
  23. A machine used to raise the pressure of air is called
  24. Maximum delivery pressure is a rotary air compressor is of the order of
  25. The volume of air sucked by the compressor during its suction stroke is called
  26. Which is false statement about advantages of multistage compressor in comparison to single stage compressor?
  27. If p₁ is the pressure of air entering the L.P, cylinder and p₃ is the pressure of air…
  28. In the axial flow gas turbine, the work ratio is the ratio of
  29. The absolute pressure of air at the outlet of a compressor is called
  30. Reheating in a multistage expansion gas turbine __________ compressor work.