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The maximum heat loss is a boiler occurs due to

A. Moisture in fuel

B. Dry flue gases

C. Steam formation

D. Unburnt carbon

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  1. The high steam and low water safety valve is not used in
  2. The supersaturated flow of steam through a nozzle as compared to a stable flow, the available heat drop
  3. The velocity of whirl at outlet for an axial discharge turbine is
  4. Efficiency of Rankine cycle can be increased by
  5. An economiser in a boiler
  6. In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder…
  7. Hard coke is used in
  8. A nozzle is said to be a divergent nozzle
  9. Size of boiler tubes is specified by
  10. Maximum energy loss in a boiler occurs due to
  11. Sulphur content of fuels is very important to the plant operators because it
  12. For maximum discharge through a chimney, the condition is that height of hot gas column producing the…
  13. The discharge of steam in a convergent-divergent nozzle __________ after the throat (i.e. in the divergent…
  14. In a receiver type compound engine, the high pressure and low pressure cylinders
  15. Which of the following statement is wrong?
  16. The rate of discharge through the nozzle __________ when the exit pressure is gradually reduced.
  17. For the same diameter and thickness of tube, a water tube boiler has ________ heating surface as compared…
  18. The turbine blades are
  19. Caking coals are those which
  20. The overall efficiency of thermal power plant is
  21. Calorific value of coal is of the order of
  22. While steam expands in turbines, theoretically the entropy
  23. The diameter of internal flue tubes in a Lancashire boiler compared to its shell is
  24. Which of the following boiler works on a forced circulation of water?
  25. In order to obtain superheated steam, a superheater is added in an existing boiler. As as result, furnace…
  26. The density of supersaturated steam is about __________ that of the ordinary saturated vapour at the…
  27. The saturation temperature of steam with increase in pressure increases
  28. Which of the following are boiler accessories?
  29. Cochran boiler is a
  30. In reaction turbines, the axial thrust is due to