Fire tube boilers are

A. Internally fired

B. Externally fired

C. Internally as well as externally fired

D. None of these

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  1. Which of the following is required for a steam condensing plant?
  2. At very low temperature, the melting and boiling temperatures become equal. This temperature is
  3. Primary air is the air used to
  4. In an impulse turbine, steam expands
  5. The maximum steam pressure in a Locomotive boiler is limited to
  6. The critical pressure gives the velocity of steam at the throat
  7. The safety valve on boiler drum compared to safety valve on superheater is set at
  8. Desecration of feed water is carried out because it reduces
  9. O₂ content in atmospheric air on weight basis is
  10. The cylinder condensation or missing quantity may be reduced by
  11. The size of a boiler drum in pulverised fuel fired boiler, as its size and capacity, (steam pressure…
  12. In a steam engine, superheated steam from the boiler is fed into the steam chest at a pressure of
  13. Boiler H.P. is defined as the
  14. A device in which some portion of waste heat of flue gases is recovered to heat the air before it passes…
  15. The power of a boiler may be defined as
  16. The effect of friction on the flow of steam through a nozzle is to
  17. The expansion of steam in a nozzle follows
  18. Which of the following statement is correct?
  19. The three Ts for good combustion are
  20. The Parsons' reaction turbine has
  21. Reheating of steam in a turbine
  22. The natural draught is produced by
  23. A single stage impulse turbine with a diameter of 1.2 m runs at 3000 r.p.m. If the blade speed ratio…
  24. When the cross-section of a nozzle increases continuously from entrance to exit, it is called a
  25. The velocity of whirl at outlet for an axial discharge turbine is
  26. Proximate analysis of fuel is determination of percentage of
  27. Which of the following statement indicates the difference between Cornish boiler and Lancashire boiler?
  28. Boiler stays are used to
  29. Which type of boiler can meet rapid changes of load?
  30. Which of the following is a water tube boiler?