In an impulse turbine

A. The steam is expanded in nozzles only and there is a pressure drop and heat drop

B. The steam is expanded both in fixed and moving blades continuously

C. The steam is expanded in moving blades only

D. The pressure and temperature of steam remains constant

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. The function of a valve rod is
  2. Lancashire boiler is a
  3. The ratio of total useful heat drop to the total isentropic heat drop, is called
  4. The velocity of whirl at outlet for an axial discharge turbine is
  5. The Parsons' reaction turbine has
  6. The pressure velocity compounded impulse turbine allows a bigger pressure drop and hence __________…
  7. The diameter of fire tubes in Cochran boiler is of the order of
  8. Water and sediment in fuel oil can be removed by
  9. Which of the following is required for a steam condensing plant?
  10. The factor of evaporation for all boilers is always
  11. In recuperative air preheaters, the heat is transferred
  12. When the circulation of water, in a boiler, is by convection currents which are set up during the heating…
  13. The ratio of the actual vacuum to the ideal vacuum in a condenser is called
  14. The chimney draught varies with
  15. The relative heat absorption for successively added equal areas of boiler convection heating surfaces
  16. De-Laval turbine is a
  17. Hard coke is used in
  18. The ratio of heat utilised to produce steam and the heat liberated in furnace is known as
  19. Reheating of steam in a turbine
  20. The average value of diagram factor lies between
  21. The height of chimney in a power plant is governed by
  22. During storage, the heating value of coal
  23. Which of the following statement is wrong?
  24. An ideal regenerative cycle is
  25. In a boiler, feed water supplied per hour is 205 kg while coal fired per hour is 23 kg. The net enthalpy…
  26. The actual power supplied by the engine crankshaft is called
  27. The stage efficiency (ηS) is given by (where ηB = Blading efficiency, and ηN = Nozzle…
  28. The diameter of Cornish boiler is of the order of
  29. In a Parson's turbine stage, blade velocity is 320 m/s at the mean radius and rotor blade exit angle…
  30. The cylinder dimensions of a compound engine may be designed on the basis of