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Mechanical Operations

Mechanical Operations
Which of the following is not a cutting machine?

Slitters
Tube mills
Knife cutters
Dicers

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Mechanical Operations
Shape factor for a cylinder whose length equals its diameter is

1.0
1.5
0.5
2.0

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Mechanical Operations
Width and speed of a conveyor belt depends upon the __________ of the material.

Both A & B
Lump size
Bulk density
Neither A nor B

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Mechanical Operations
Stamp mills are generally used for crushing

Diamond
Gold ores
Iron ores
Talc

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Mechanical Operations
Colloidal mills are used for __________ grinding.

Coarse
Fine
Ultrafine
Intermediate

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Mechanical Operations
During size reduction by a jaw crusher, the energy consumed decreases with the

Increasing size of feed at constant reduction ratio
Decreasing machine capacity
Decreasing size of product at constant size of feed
None of these

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