The maximum length of a screw conveyer is about___________?
Correct answer: A. 30 metres
- A. 30 metres
- B. 40 metres
- C. 60 metres
- D. 100 metres
Explanation
A screw conveyor is suitable for relatively short coal-handling runs because friction, power demand and alignment problems increase with length. Its usual maximum length is about 30 metres.
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