When the speed of the crankshaft is between 100 r.p.m. and 250 r.p.m., the engine said to be a

A. Slow speed engine

B. Medium speed steam engine

C. High speed steam engine

D. None of these

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  1. Presence of moisture in fuel oil would
  2. Water and sediment in fuel oil can be removed by
  3. The pressure of steam in the engine cylinder at the beginning of the stroke is ________ the boiler pressure.
  4. The efficiency of a boiler is defined as
  5. The diagram efficiency is the ratio of
  6. Lancashire boiler is
  7. Expansion ratio is the ratio of
  8. Hygrometry deals with the
  9. Sulphur content of fuels is very important to the plant operators because it
  10. Blading efficiency is also known as
  11. The velocity of flue gases (V) through the chimney under a static draught of (H') metres is given by
  12. The action of steam in a steam turbine is
  13. The number of drums in Benson steam generator is
  14. The function of a piston in a steam engine is
  15. For the same diameter and thickness of tube, a water tube boiler has ________ heating surface as compared…
  16. The flow through a nozzle is regarded as
  17. The critical pressure ratio for initially superheated steam is __________ as compared to initially dry…
  18. The velocity of steam leaving the nozzle (V) is given by (where K = Nozzle coefficient or nozzle efficiency,…
  19. Efficiency of a thermal cycle increases by
  20. On Mollier chart, flow through turbine is represented by
  21. In order to compare the capacity of boilers, the feed water temperature and working pressure are taken…
  22. All steam engines work on
  23. The diameter of fire tube of Cornish boiler compared to its shell is
  24. A throttle governed steam engine develops 15 kW with 280 kg per hour of steam and 35 kW with 520 kg…
  25. For a Parson's reaction turbine, if α₁ and α₂ are fixed blade angles at inlet…
  26. The diameters of fire tubes and superheater tubes in locomotive boiler are
  27. The critical pressure ratio for gases is
  28. Gradually increasing temperature of flue gases at inlet to chimney for given steam outputs is an indication…
  29. The water tubes in a simple vertical boiler are
  30. The flow of steam is supersonic