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The compounding of turbines is done in order to

A. Reduce speed of rotor

B. Improve efficiency

C. Reduce exit losses

D. All of these

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  1. The temperature of flue gases at air heater outlet should be
  2. The economiser is used in boilers to
  3. The effect of friction in the nozzle __________ dryness fraction of steam.
  4. The rate of discharge through the nozzle __________ when the exit pressure is gradually reduced.
  5. The fire tubes in a Scotch marine boiler are
  6. The function of a piston in a steam engine is
  7. Duplex feed pumps are used in small steam boilers. These operate on the principle of
  8. The steam enters the nozzle at a
  9. A single acting steam engine produces ________ power than that of double acting steam engine.
  10. When the total heat of steam is h kJ/kg and the sensible heat of feed water is hf1 kJ/kg, then the factor…
  11. The number of drums in Benson steam generator is
  12. The flow through a nozzle is regarded as
  13. Besides mean effective pressure, the data required to determine the indicated power of an engine include
  14. The ratio of heat utilised to produce steam and the heat liberated in furnace is known as
  15. In a throttling process
  16. The effect of friction on the flow of steam through a nozzle is to
  17. With increase in load, convection superheater has
  18. The diagram factor is the ratio of the
  19. The device attached to the steam chest for preventing explosions due to excessive internal pressure…
  20. The velocity of steam at throat of the nozzle is __________ the velocity of sound.
  21. Green coal, in order to be burnt, must be
  22. The length of Lancashire boiler varies from
  23. The diameter of flue tube in a Cornish boiler is _________ that of the shell.
  24. The diameter of fire tubes in Cochran boiler is of the order of
  25. The state of vapour under saturation condition is described by
  26. Pulverised fuel is used for
  27. Efficiency of Rankine cycle can be increased by
  28. In an experiment to determine dryness fraction of steam, the mass of water separated was 1.2 kg in 15…
  29. O₂ content in atmospheric air on weight basis is
  30. In a Tandem type compound engine, the high pressure and low pressure cylinders