The relative efficiency is defined as the

A. Ratio of thermal efficiency to Rankine efficiency

B. Ratio of brake power to the indicated power

C. Ratio of heat equivalent to indicated power to the energy supplied in steam

D. Product of thermal efficiency and Rankine efficiency

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  1. The velocity of whirl at outlet for an axial discharge turbine is
  2. The effect of bleeding is that
  3. Fusible plug for boilers is made of fusible metal containing tin, lead, and
  4. The principal function of a stop valve is to
  5. Which of the following statement is correct?
  6. Secondary air is the air used to
  7. The expansion of steam in a nozzle follows
  8. In which of the following boilers, the draught in furnace is increased by utilising exhaust steam from…
  9. Green coal, in order to be burnt, must be
  10. In accelerated circulation type boiler
  11. The flow of steam is supersonic
  12. The diameters of fire tubes and superheater tubes in locomotive boiler are
  13. The maximum discharge of steam through a convergent-divergent nozzle depends upon
  14. Steam turbines may be classified according to
  15. Which of the following statement is wrong?
  16. The radius of a dished head is taken approximately as
  17. In order to reduce the rotor speed of an impulse turbine, the method employed is
  18. Steam engine operates on
  19. The draught (in mm of water), for maximum discharge of flue gases through the chimney, is given by (where…
  20. The critical pressure ratio for initially dry saturated steam is
  21. Which of the following statement is correct for a compound steam engine?
  22. By compounding the expansion of steam in two or more cylinders, the length of stroke
  23. Expanding steam to a very low pressure (high vacuum) in steam engines is
  24. O₂ content in atmospheric air on weight basis is
  25. In recuperative air preheaters, the heat is transferred
  26. In water tube boilers
  27. The fire tubes in, a Coarran and Scottish marine boiler are
  28. The velocity of steam at throat of the nozzle is __________ the velocity of sound.
  29. Superheating of steam is done at
  30. Blading efficiency is also known as