Draw a plan of a typical strip mine

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1. Draw a plan of a typical strip mine showing all operational features and equipment.

2. Answer the following:
a. Why is the working slope of an open pit usually much flatter than the final slope?
b. Provide a sketch to show the difference between the final and the working slopes.
c. Why do operators try to steepen the final slope to an allowable safe maximum angle?

3. Define the following
1. swell factor :-
a. Swell factor
b. Struck Capacity c. HeapedCapacity d. Fill Factor
e. Rolling resistance
f. Bank cubic metre
g. Loose Cubic metre

4. Compare the performance of a hydraulic excavator and an electric shovel.

5. Discuss the factors that favour the use of scrapers over the use of trucks and loaders.

 

Reference no: EM13753805

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