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Mechanical Operations

Mechanical Operations
__________ balls capable of grinding the feed in a ball mill gives the maximum efficiency.

Minimum size
Maximum size
Elliptical
Cast iron

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Mechanical Operations
The opening of a 200 mesh screen (Taylor series) is

74 mili-microns
0.0047 cm
0.0074 cm
0.0074 mm

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Mechanical Operations
Colloid mills achieve size reduction mainly by

Compression
Cutting
Attrition
Impact

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Mechanical Operations
Which of the following is not a part of the Blake jaw crusher?

Pitman
Toggles
Hanger
Check plates

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Mechanical Operations
Raw materials are charged in the iron blast furnace using

Skip hoist
None of these
Screw conveyor
Bucket elevator

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Mechanical Operations
200 mesh seive size corresponds to __________ microns.

200
74
154
24

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