SSC JE Mechanical 9 Oct 2023 Shift 2 Paper

Question : 132 of 200

Marks: +1, -0

Which of the following statements is correct about the forced-draught fan used in steam boilers?

The power required by an induced-draught fan is equal to that required by a forced-draught fan for the same amount of draught.
The power required by an induced-draught fan is less than that required by a forced-draught fan for the same amount of draught.
The power required by an induced-draught fan is greater than that required by a forced-draught fan for the same amount of draught.
The power required by an induced-draught fan may be greater than or less than that required by a forced-draught fan for the same amount of draught.

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