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Mechanical Engineering - Steam Boilers and Engines - Discussion

Discussion Forum : Steam Boilers and Engines - Section 1 (Q.No. 1)
Steam Boilers and Engines
1.
The object of producing draught in a boiler is
to provide an adequate supply of air for the fuel combustion
to exhaust the gases of combustion from the combustion chamber
to discharge the gases of combustion to the atmosphere through the chimney
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
14 comments Page 2 of 2.
Satish said:   7 years ago
The Correct answer is C.
Sergin said:   7 years ago
I think the answer D is correct because all the options serve the purpose for a draught.
Rakesh yadav said:   6 years ago
Draught producing mainly two types.

One is mechanical & second is natural. Mechanical draught is producing by using an induced fan which sucks flue gases take place in the chimney.
(3)
Rupesh patil said:   6 years ago
Boiler draught is defined as the small difference between the pressure of outside cold atmospheric air and that of gases within a furnace or chimney. The draught is necessary to force air through the fuel grate to help in proper combustion of fuel and to remove the products of combustion.
(3)
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