Discussion
A bucket elevator is used chiefly to
Answer: A
Correct answer: Lift material vertically at high capacity
A bucket elevator is the standard machine for vertical lift. Buckets fixed to a belt or chain scoop material from the boot at the bottom, carry it up the casing and discharge it at the head, achieving high capacity in a small footprint.
Nothing else does the job as economically: a belt cannot exceed about 20 degrees, and a pneumatic system uses far more power per tonne. It is a vertical machine only, and it neither dries nor sorts the material passing through it.
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