Cut-off governing of steam engines is a method of controlling the engine output by varying

A. Volume of intake steam

B. Pressure of intake steam

C. Temperature of intake steam

D. All of these

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  1. The equivalent evaporation is defined as
  2. The relative heat absorption for successively added equal areas of boiler convection heating surfaces
  3. Fusible plug for boilers is made of fusible metal containing tin, lead, and
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  5. Which of the following boiler works on a forced circulation of water?
  6. A steam nozzle converts
  7. The difference between Cornish boiler and Lancashire boiler is that
  8. The fire tubes in a Scotch marine boiler are
  9. Hard coke is used in
  10. A double acting steam engine with a cylinder diameter of 190 mm and a stroke of 300 mm has a cut-off…
  11. Incomplete combustion can be best judged by
  12. The action of steam in a steam turbine is
  13. The average value of diagram factor lies between
  14. In a De-Laval nozzle expanding superheated steam from 10 bar to 0.1 bar, the pressure at the minimum…
  15. The radius of a dished head is taken approximately as
  16. Degree of reaction is defined as the ratio of
  17. When the circulation of water, in a boiler, is by a centrifugal pump, then the boiler is known as
  18. Latent heat of dry steam at atmospheric pressure is equal to
  19. In a steam condenser, the partial pressure of steam and air are 0.06 bar and 0.007 bar respectively.…
  20. The Parsons' reaction turbine has
  21. The performance of a boiler is measured by the
  22. Curtis turbine is a
  23. The pressure of steam in the engine cylinder at the beginning of the stroke is ________ the boiler pressure.
  24. When the nozzle operates with the maximum mass flow, the nozzle is said to be
  25. For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has
  26. All steam engines work on
  27. Hard coke is produced by carburisation of coal at
  28. Water tube boilers are
  29. The effect of friction in the nozzle __________ dryness fraction of steam.
  30. Which of the following is a fire tube boiler?