The mechanical draught _________ with the amount of smoke.
A. Increases
B. Decreases
C. Does not effect
D. None of these
Answer: Option B
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The expansion of steam in a nozzle follows
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B. Rankine cycle
C. Joule cycle
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A. Steam enters and exhausts through the same port
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The mechanical draught _________ with the amount of smoke.
A. Increases
B. Decreases
C. Does not effect
D. None of these
A. Higher effectiveness of boiler
B. High calorific value coal being burnt
C. Fouling of heat transfer surfaces
D. Raising of steam temperature
draught is produce to controlling rate of flow air anf flue gases in the plant.
draught produce by fan chimmnry steam jet ect
if fan placed at past to boiler than it is called forced draught
if fan is placed at bottom of chimmnry than induced draught