Where unpulverised coal has to be used and boiler capacity is large, the stoker which is used is______________?
Correct answer: B. overfeed stoker
- A. underfeed stoker
- B. overfeed stoker
- C. any
Explanation
Overfeed stokers suit large boilers burning unpulverised coal because coal is fed above the grate and can be supplied continuously in substantial quantities. Underfeed stokers are generally preferred for smaller installations and specific coal conditions.
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