1. Pulverised fuel gives high and controlled burning rate. |
2. Insufficient air causes excessive smoking of exhaust. |
3. Excess air is provided to control the flue gas temperature |
4. Effect of sulphur in fuel is to give high heat transfer rate. |
A) 3 and 4
B) 2 and 3
C) 1 and 2
D) 1 and 4
Correct Answer: C
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