Discussion
Match each term in List I with its definition in List II.
List I
A. Blinding
B. Effectiveness
C. Specific capacity
D. Scalping
List II
1. Combined recovery of both output streams
2. Apertures becoming plugged
3. Removal of oversize trash
4. Throughput per unit screen area
Select the correct match.
Answer: D
Correct answer: A-2, B-1, C-4, D-3
Four terms that recur in screening. Blinding is the plugging of apertures. Effectiveness is the combined recovery of both output streams, and so measures how well the separation was made. Specific capacity is throughput per unit of screen area, which is how a deck is sized. And scalping is the removal of oversize trash at the head of the line.
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