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While steam expands in turbines, theoretically the entropy

A. Remains constant

B. Increases

C. Decreases

D. Behaves unpredictably

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  1. The feed check valve is used in order to
  2. Pick up the wrong statement about water tube boiler in comparison to fire tube boilers
  3. Which of the following boiler works on a forced circulation of water?
  4. In order to compare the capacity of boilers, the feed water temperature and working pressure are taken…
  5. On Mollier chart, free expansion, or throttling process from high pressure to atmosphere is represented…
  6. The steam leaves the nozzle at a
  7. The condition of steam in boiler drum is always
  8. The major axis of elliptical manholes on the shell should be provided
  9. Equivalent evaporation of water is the evaporation for a feed water supply at 100°C
  10. Feed water conditioning in thermal power plants in done to
  11. Alkaline pyrogallate is used in Orsat's apparatus for absorption of
  12. The discharge of steam in a convergent-divergent nozzle __________ after the throat (i.e. in the divergent…
  13. There is always some steam left in the clearance space from the previous stroke. This steam left in…
  14. Superheating of steam is done at
  15. The ratio of heat equivalent to brake power to the energy supplied in steam is known as
  16. Film boiling occurs at
  17. The efficiency of the plant __________ with the mechanical draught.
  18. The clearance in the engine cylinder
  19. In a glass tube type water indicator for a boiler, one end of the tube is connected to water space and…
  20. Which type of boiler can meet rapid changes of load?
  21. Lancashire boiler has __________ internal flue tubes.
  22. The crown of the fire box is made hemispherical in order to
  23. Hard coke is used in
  24. Steam turbines are used for
  25. The actual power generated in the engine cylinder is called
  26. The ratio of total useful heat drop to the total isentropic heat drop, is called
  27. The theoretical indicator diagram of a simple steam engine is based upon the assumption that
  28. The ratio of brake power to the indicated power is known as
  29. The ratio of the volume at cut-off to the swept volume is called
  30. The critical pressure ratio is given by (where p₁ = Initial pressure of steam, and p₂…