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Water gas is produced by

A. Carbonisation of coal

B. Passing steam over incandescent coke

C. Passing air and a large amount of steam over waste coal at about 65°C

D. Partial combustion of coal, eke, anthracite coal or charcoal in a mixed air steam blast

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  5. Reheating in a multistage expansion gas turbine __________ compressor work.
  6. The maximum delivery pressure in a rotary air compressor is
  7. Volumetric efficiency of a compressor without clearance volume
  8. The maximum combustion pressure in gas turbine as compared to I.C. engine is
  9. In a jet engine, the air-fuel ratio is
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  12. If infinite number of heaters be used in a gas turbine, then expansion process in turbine approaches
  13. Inter cooling in compressors
  14. Adiabatic compression is one in which
  15. In a centrifugal compressor, an increase in speed at a given pressure ratio causes
  16. The stagnation pressure rise in a centrifugal compressor takes place
  17. The closed cycle in gas turbines
  18. A centrifugal compressor works on the principle of
  19. Ramjet engine
  20. Open cycle gas turbine works on
  21. For a two stage compressor, if index of compression for higher stage is greater than index of compression…
  22. When the outlet angle from the rotor of a centrifugal compressor is more than 90°, then the blades…
  23. The axial flow compressor is preferred in aircraft gas turbines because of
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  25. Aeroplanes employ following type of compressor
  26. Work ratio of a gas turbine plant is ratio of
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  28. Pick up the wrong statement
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  30. Isothermal compression efficiency, even when running at high speed, can be approached by using