Lesson 2/Practice Exercise
5.
Drilling has been difficult in your quarry site. Rockslides have made work hazardous. You have
a choice of a 12-foot or a 20-foot bench height. Which would you choose under these
circumstances?
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6.
Where should you locate the rock crushing, screening, and washing plant for your quarry?
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7.
Why should you set up a rock crushing plant on multiple levels whenever practical?
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8.
You should make plans to assure that all rock processing units operate at full capacity,
continuously despite interruptions in material flow. What can you do to fulfill these operational
requirements? __________________________________________________________________
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9.
Aggregates must often be washed free of fines, organic material, or other impurities. What
provisions should you make for handling wash water where available water supplies are limited?
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10.
You expect a problem with oversize material. How can you prevent this material from being
input to your rock crushing plant? __________________________________________________
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11.
You have cleared and grubbed the quarry site to remove timber and brush. You should remove,
or strip, the overburden next. How much overburden should you remove? __________________
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