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The function of injector used in small steam plants is to

A. Create vacuum in furnace

B. Create vacuum at turbine exhaust

C. Pump feed water

D. Dose chemicals in feed water

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  1. In a reaction turbine
  2. Which of the following statement is wrong?
  3. Boiler H.P. is defined as the
  4. The reheat factor depends upon
  5. The average value of diagram factor lies between
  6. In a throttling process
  7. The best suited coal for chain or travelling grate stoker boiler is
  8. In case of non-condensing steam engines, the pressure of steam in the cylinder during exhaust stroke…
  9. The velocity of steam at throat of the nozzle is __________ the velocity of sound.
  10. Which of the following statement is wrong?
  11. The draught may be produced by a
  12. For a Parson's reaction turbine, if α₁ and α₂ are fixed blade angles at inlet…
  13. The reheat factor is the ratio of the
  14. The cylindrical shell of a Lancashire boiler has diameter from
  15. Orsat meter is used for
  16. A safety valve usually employed with stationary boilers is
  17. 100% efficiency of a thermal cycle cannot be achieved because of
  18. For burning 1 kg of carbon to CO as per chemically correct combustion, amount of air required is
  19. Fire tube boilers are
  20. A boiler in India should conform to safety regulations of
  21. One kg of steam sample contains 0.8 kg dry steam; Its dryness fraction is
  22. Fire tube boilers are limited to a maximum design working pressure of
  23. The temperature of flue gases at air heater outlet should be
  24. While steam expands in turbines, theoretically the entropy
  25. The efficiency of the plant __________ with the mechanical draught.
  26. A safety valve mainly used with locomotive and marine boilers is
  27. Which of the following statement is wrong?
  28. When the cross-section of a nozzle increases continuously from entrance to exit, it is called a
  29. In a boiler, feed water supplied per hour is 205 kg while coal fired per hour is 23 kg. The net enthalpy…
  30. In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder…