The artificial draught is produced by

A. Steam jet

B. Centrifugal fan

C. Chimney

D. Both (A) and (B)

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  1. In a single acting steam engine
  2. For a Parson's reaction turbine, if α₁ and α₂ are fixed blade angles at inlet…
  3. When the speed of the engine is controlled by means of a valve in a steam pipe, which regulates the…
  4. In a glass tube type water indicator for a boiler, one end of the tube is connected to water space and…
  5. The flow through a nozzle is regarded as
  6. Coke is produced by
  7. The diameter of internal flue tubes of a Lancashire boiler is about _________ that of its shell.
  8. The diameter of Cornish boiler is of the order of
  9. Which of the following statement is correct?
  10. The steam temperature with increase in load in case of a boiler fitted with radiation superheater
  11. The heat loss in a boiler takes place in the form of
  12. Boiler H.P. is defined as the
  13. The critical pressure at which latent heat of vaporisation is zero is
  14. The water tubes in a Babcock and Wilcox boiler are
  15. Which of the following statement is wrong?
  16. The cylinder condensation or missing quantity may be reduced by
  17. The reheat factor is the ratio of the
  18. The high pressure and low pressure cylinders in a receiver type compound engine are regarded as having…
  19. The draught (in mm of water), for maximum discharge of flue gases through the chimney, is given by (where…
  20. One kilowatt-hour energy is equivalent to
  21. The impulse reaction turbine has its driving force
  22. Rateau turbine is
  23. The function of injector used in small capacity boilers is to
  24. The function of a crosshead is to guide motion of the _________ and to prevent it from bending.
  25. An economiser is installed in a boiler primarily to
  26. The pressure at which latent heat of vaporisation of water is zero, is
  27. Locomotive boiler is of the following type
  28. Bomb calorimeter is used to determine
  29. Which of the following is a fire tube boiler?
  30. The friction present between the steam and the nozzle surfaces reduces the heat drop by