Tertiary air is the air used to

A. Provide air around burners for obtaining optimum combustion

B. Transport and dry the coal

C. Cool the scanners

D. Convert CO (formed in lower zone of furnace) into CO₂ at higher zone.

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  1. In a uniflow engine
  2. The maximum efficiency of a reaction turbine is
  3. The draught produced by a steam jet issuing from a nozzle placed in the chimney is called
  4. A _________ in a boiler is used to put off fire in the furnace of the boiler when the level of water…
  5. The length of Lancashire boiler varies from
  6. Pick up the correct statement as regards Cornish boiler and Lancashire boiler
  7. Heating wet steam at constant temperature is heating it at constant
  8. Which of the following varieties of coals is mostly used in steam boilers?
  9. Locomotive type' boiler is
  10. The difference between Cornish boiler and Lancashire boiler is that
  11. Fire tube boilers are limited to a maximum design working pressure of
  12. Which device is used in thermal power plants to reduce level of pollution?
  13. Multi-stage steam turbines are of the
  14. Fire tube boilers are limited to a maximum working pressure of
  15. The amount of water evaporated in kg per kg of fuel burnt is called
  16. A single acting steam engine produces ________ power than that of double acting steam engine.
  17. A throttle governed steam engine develops 15 kW with 280 kg per hour of steam and 35 kW with 520 kg…
  18. The function of an eccentric rod is
  19. The number of drums in Benson steam generator is
  20. Incomplete combustion can be best judged by
  21. In a throttling process
  22. The diameter of Cornish boiler is of the order of
  23. The critical pressure at which latent heat of vaporisation is zero is
  24. Rateau turbine is
  25. The rate of steam produced in Benson boiler is
  26. The performance of a boiler is measured by the
  27. Which type of boiler can meet rapid changes of load?
  28. Orsat meter is used for
  29. The diameter of fire tubes in Cochran boiler is of the order of
  30. De-Laval turbine is a