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The ratio of the volume of free air delivery per stroke to the swept volume of the piston, is known as

A. Compressor efficiency

B. Volumetric efficiency

C. Isothermal efficiency

D. Mechanical efficiency

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  2. Which of the following statement is wrong?
  3. Rotary compressors are used for delivering
  4. The minimum work required for a three stage reciprocating air compressor is ________ the work required…
  5. In a turbo jet engine, subsequent to heat addition to compressed air, to get the power output, the working…
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  8. In a single stage, single acting reciprocating air compressor, without clearance, the workdone on the…
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  14. The thermodynamic efficiency of rotary compressor is based on
  15. The fuel consumption in gas turbines is accounted for by
  16. When the outlet angle from the rotor of a centrifugal compressor is more than 90°, then the blades…
  17. A large clearance volume in a reciprocating compressor results in
  18. The effective power of gas turbines is increased by adding the following in compressor
  19. Which of the following statement is correct relating to rocket engines?
  20. Ratio of compression is the ratio of
  21. Which of the following statement is correct?
  22. If p₁ is the pressure of air entering the L.P, cylinder and p₃ is the pressure of air…
  23. Isothermal compression though most efficient, but is not practicable because
  24. Losses in a centrifugal compressor are due to
  25. Which of the following statement is correct?
  26. The mean effective pressure of the compressor is the
  27. In the axial flow gas turbine, the work ratio is the ratio of
  28. The type of rotary compressor used in aeroplanes, is of
  29. The overall isothermal efficiency of compressor is defined as the ratio of
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