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The natural draught is produced by

A. Steam jet

B. Centrifugal fan

C. Chimney

D. Both (A) and (B)

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  1. The theoretical indicator diagram of a simple steam engine is based upon the assumption that
  2. Adiabatic process is
  3. Locomotive boiler is of the following type
  4. The diameter of cylindrical shell of the Lancashire boiler is of the order of
  5. In a steam engine, superheated steam from the boiler is fed into the steam chest at a pressure of
  6. Fire tube boilers are limited to a maximum design working pressure of
  7. In a reaction turbine
  8. For the same diameter and thickness of tube, a water tube boiler has ________ heating surface as compared…
  9. The fire tubes in a Cochran boiler usually have _________ diameter.
  10. The shell diameter and length of locomotive boiler are
  11. The object of producing draught in a boiler is
  12. The steam enters the nozzle at a
  13. The change in internal energy in steam engines equals to
  14. The velocity of whirl at outlet for an axial discharge turbine is
  15. On Mollier chart, free expansion, or throttling process from high pressure to atmosphere is represented…
  16. The actual power generated in the engine cylinder is called
  17. The critical pressure ratio for initially dry saturated steam is
  18. Green coal, in order to be burnt, must be
  19. Which of the following statement is wrong?
  20. The heat loss in a boiler takes place in the form of
  21. A compound steam engine in which piston rods of high pressure and low pressure cylinders are attached…
  22. The increase in pressure
  23. Water and sediment in fuel oil can be removed by
  24. Incomplete combustion can be best judged by
  25. The heat balance sheet for the boiler shows the
  26. De-Laval turbine is a
  27. Spontaneous combustion is a phenomenon in which
  28. Which of the following statement is wrong?
  29. An economiser in a boiler
  30. A single acting steam engine produces ________ power than that of double acting steam engine.