Producer 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, coke, anthracite coal or charcoal in a mixed air steam blast

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  1. The pressure and temperature conditions of air at the suction of compressor are
  2. The mass of gas turbine per kW developed is about ________ as that of an I.C. engine.
  3. The efficiency of a jet engine is higher at
  4. For minimum work required to compress and deliver a quantity of air by multistage compression
  5. The maximum combustion pressure in gas turbine as compared to I.C. engine is
  6. Volumetric efficiency is
  7. In a closed cycle gas turbine, the air is compressed
  8. In turbo fan engine, the jet velocity as compared to turbojet engine is
  9. The stagnation pressure rise in a centrifugal compressor takes place
  10. Pick up the wrong statement
  11. Inter cooling in compressors
  12. A jet engine has
  13. In jet engines, for the efficient production of large power, fuel is burnt in an atmosphere of
  14. A turboprop is preferred to turbojet because
  15. For slow speed large capacity compressor, following type of valve will be best suited
  16. The blades of gas turbine are made of
  17. For minimum work in multistage compression, assuming same index of compression in all stages
  18. The velocity of air entering in a rocket is ________ as compared to an aircraft.
  19. Maximum delivery pressure is a rotary air compressor is of the order of
  20. Inter-cooling in multistage compressors is done
  21. Ram compression in turbojet involves
  22. Pick up the correct statement
  23. The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in…
  24. The indicated work per unit mass of air delivered is
  25. Reheating in a gas turbine
  26. A rotary compressor is driven by an
  27. If p₁, is the pressure of air entering the L.P. cylinder and p₂ is the pressure of air…
  28. In the cross compounding of the gas turbine plant
  29. Clearance volume in actual reciprocating compressors is essential
  30. Ratio of compression is the ratio of