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The clearance volume of the air compressor is kept minimum because

A. It allows maximum compression to be achieved

B. It greatly affects volumetric efficiency

C. It results in minimum work

D. It permits isothermal compression

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  2. The work done per unit mass of air in compression will be least when n is equal to
  3. The pressure ratio in gas turbines is of the order of
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  12. The mass of gas turbine per kW developed is about ________ as that of an I.C. engine.
  13. The reason for volumetric efficiency of reciprocating compressor being less than 100 percent is
  14. The closed cycle in gas turbines
  15. The efficiency of the vane blower is (where W₁ = Workdone due to compression, and W₂ =…
  16. In a centrifugal compressor, the ratio of the ________ to the blade velocity is called slip factor.
  17. The workdone on a compressor will be minimum if air is taken from
  18. Which of the following statement is correct?
  19. The volumetric efficiency for reciprocating air compressors is about
  20. The following is true for an open cycle gas turbine having exhaust heat exchanger. Atmospheric air before…
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  22. 1 m of air at atmospheric condition weighs approximately
  23. For supplying intermittent small quantity of air at high pressure, following compressor is best suited
  24. Atmospheric pressure is 1.03 kg/cm and vapour pressure is 0.03 kg/cm. The air pressure will be
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  27. A rocket engine uses ________ for the combustion of its fuel.
  28. In air breathing jet engine, the jet is formed by expanding
  29. Actual compression curve is
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