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In locomotives, the draught is produced by

A. Chimney

B. Induced draft fan

C. Both combined (A) and (B)

D. Steam jet draught

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. When the circulation of water, in a boiler, is by a centrifugal pump, then the boiler is known as
  2. Which of the following is a fire tube boiler?
  3. The critical pressure ratio for gases is
  4. The friction in the nozzle __________ exit velocity of steam.
  5. Size of boiler tubes is specified by
  6. Water and sediment in fuel oil can be removed by
  7. In a velocity compounded impulse turbine, when steam flows through the second row of moving blades,
  8. Superheating of steam is done at
  9. The water tubes in a Babcock and Wilcox boiler are
  10. Alkaline pyrogallate is used in Orsat's apparatus for absorption of
  11. In natural circulation type boiler,
  12. The effect of super-saturation is that the
  13. The value of diagram factor depends upon
  14. The ratio of the workdone on the blades per kg of steam to the total energy supplied per stage per kg…
  15. For the same length of stroke and speed of crankshaft, the piston speed for a double acting steam engine…
  16. Which of the following is correct? (Where pa = Actual mean effective pressure, pm = Theoretical mean…
  17. Spontaneous combustion is a phenomenon in which
  18. During polytropic process
  19. For a Parson's reaction turbine, if α₁ and α₂ are fixed blade angles at inlet…
  20. Parson's turbine is a
  21. The latent heat of steam at pressures greater than atmospheric in comparison to latent heat at atmospheric…
  22. Pick up the wrong statement about water tube boiler in comparison to fire tube boilers
  23. The missing quantity per stroke is equal to
  24. The maximum discharge through a chimney occurs when the height of chimney is
  25. The main object of a boiler trial is
  26. The cylinder condensation or missing quantity may be reduced by
  27. A safety valve usually employed with stationary boilers is
  28. The fire tubes in a Scotch marine boiler are
  29. The velocity of steam leaving the nozzle (V) is given by (where K = Nozzle coefficient or nozzle efficiency,…
  30. Which of the following is a fire tube boiler?