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P&Q University: Lesson 9 Quiz Answers

By |  March 13, 2015

1. Power shovels, front-end loaders, bucket-wheel excavators or draglines

2. Any material 3/8 in. or smaller

3. There are dwindling natural sand reserves and expenses to extracting natural sand and gravel near urban areas where the material is most needed

4. Scalp excess water from dredged material; reject deleterious material; separate sand particles; and re-blend sand particles to create more than one spec product simultaneously

5. They can minimize settling pond maintenance and reclaim a large percentage of water immediately

6. Water clarifiers and filter presses

7. Tough, plastic-type clays from natural and crushed gravel, stone and ore feeds

8. Material that is #200-mesh and larger

 

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