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De-Laval turbines are mostly used

A. Where low speeds are required

B. For small power purposes and low speeds

C. For large power purposes

D. For small power purposes and high speeds

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  1. Which of the following gases has the highest calorific value?
  2. Duplex feed pumps are used in small steam boilers. These operate on the principle of
  3. Bomb calorimeter is used to determine
  4. The diameter of flue tube in a Cornish boiler is _________ that of the shell.
  5. An impulse turbine as compared to a reaction turbine, for a given power has _________ row of blades.
  6. The function of a piston in a steam engine is
  7. The function of a flywheel is
  8. The fire tubes in a Cochran boiler are
  9. The number of drums in Benson steam generator is
  10. The average operating pressure of Benson boiler is
  11. The diameters of fire tubes and superheater tubes in locomotive boiler are
  12. The ultimate analysis of fuel lists
  13. The actual power supplied by the engine crankshaft is called
  14. Equivalent evaporation of water is the evaporation for a feed water supply at 100°C
  15. The turbine blades are
  16. The relative efficiency is defined as the
  17. In a steam engine, superheated steam from the boiler is fed into the steam chest at a pressure of
  18. When the inlet pressure of steam is equal to the exit pressure, then
  19. The condition of steam in boiler drum is always
  20. The clearance in the engine cylinder
  21. In an experiment to determine dryness fraction of steam, the mass of water separated was 1.2 kg in 15…
  22. Steam turbines may be classified according to
  23. An air preheater is installed
  24. Boiler H.P. is defined as the
  25. Willian's law states that the steam consumption per hour provided with a throttled governor is proportional…
  26. For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has
  27. The Locomotive boiler has
  28. The ratio of heat actually used in producing the steam to the heat liberated in the furnace, is known…
  29. The function of a crosshead is to guide motion of the _________ and to prevent it from bending.
  30. The draught in locomotive boilers is produced by a