Discussion
Assertion (A): The scalping screen is always placed first in a cleaning line.
Reason (R): Large trash would blind the finer decks if allowed to reach them.
Select the correct answer from the options below.
Answer: B
Correct answer: Both A and R are true, and R is the correct explanation of A
Both are true and the reason is why the order matters. Straw, string and stems would thread through and plug the finer apertures downstream, so the coarse screen goes first to take them out while they can still be removed easily. The sequence of a cleaning line is generally coarse to fine for exactly this reason.
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