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Stoichiometric quantity of air is the

A. Air present in atmosphere at NTP conditions

B. Air required for complete combustion of fuel with no excess air

C. Air required for optimum combustion so as to have reasonable excess air

D. Air required to convert CO into CO₂

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  2. Pick up the correct statement as regards Cornish boiler and Lancashire boiler
  3. The natural draught is produced by
  4. When the nozzle operates with the maximum mass flow, the nozzle is said to be
  5. The high pressure and low pressure cylinders in a receiver type compound engine are regarded as having…
  6. The effect of bleeding is that
  7. Locomotive type' boiler is
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  9. De-Laval turbine is a
  10. The pressure of steam in the engine cylinder at the beginning of the stroke is ________ the boiler pressure.
  11. The friction in the nozzle __________ exit velocity of steam.
  12. The principal function of a stop valve is to
  13. In natural circulation type boiler,
  14. The ultimate analysis of fuel lists
  15. Which is not correct statement about pulverised fuel firing?
  16. Parson's turbine is a
  17. Lancashire boiler is
  18. The feed check valve is used in order to
  19. In reaction turbines, the axial thrust is due to
  20. The diameter of fire tubes in Cochran boiler is of the order of
  21. Alkaline pyrogallate is used in Orsat's apparatus for absorption of
  22. Steam engine operates on
  23. Which of the following statement is wrong?
  24. Gusset stays in a boiler are provided to
  25. The impulse reaction turbine has its driving force
  26. The efficiency of an impulse turbine is maximum when (where Vb = Blade speed, V = Absolute velocity…
  27. In a throttling process
  28. The expansion of steam, as it flows over the blades in reaction turbine, represents
  29. In forced recirculation type boiler,
  30. An impulse turbine as compared to a reaction turbine, for a given power has _________ row of blades.