The ratio of the useful heat drop to the isentropic heat drop is called

A. Condenser efficiency

B. Nozzle efficiency

C. Boiler efficiency

D. Vacuum efficiency

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  1. Thermal efficiency of well maintained boiler will be of the order
  2. Expansion ratio is the ratio of
  3. Which of the following is a water tube boiler?
  4. Maximum energy loss in a boiler occurs due to
  5. Steam turbines may be classified according to
  6. If partial pressure of air and steam be pa and ps respectively in a condenser, then according to Dalton's…
  7. De-Laval turbines are mostly used
  8. In locomotive boiler, maximum steam pressure is limited to
  9. The device attached to the steam chest for preventing explosions due to excessive internal pressure…
  10. In order to reduce the rotor speed of an impulse turbine, the method employed is
  11. The supersaturated flow of steam through a nozzle as compared to a stable flow, the available heat drop
  12. The expansion of steam, as it flows over the blades in reaction turbine, represents
  13. The natural draught is produced by
  14. Which of the following varieties of coals is mostly used in steam boilers?
  15. A condenser where circulating water flows through tubes which are surrounded by steam, in known as
  16. A wet vapour can be completely specified by
  17. It is required to produce large amount of steam at low pressure. Which boiler should be used?
  18. The maximum heat loss is a boiler occurs due to
  19. The safety valve on boiler drum compared to safety valve on superheater is set at
  20. The equivalent evaporation of a boiler is a measure to compare
  21. The friction in the nozzle __________ exit velocity of steam.
  22. The diameter of tubes for natural circulation boiler as compared to controlled circulation boilers is
  23. In accelerated circulation type boiler
  24. If the critical pressure ratio for steam is 0.546, then the steam is initially
  25. The length of Cornish boiler varies from
  26. The crown of the fire box is made hemispherical in order to
  27. In cross compounding, the cylinders are arranged
  28. The average operating pressure of Benson boiler is
  29. Which of the following is required for a steam condensing plant?
  30. The density of supersaturated steam is about __________ that of the ordinary saturated vapour at the…