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Mechanical Operations

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

1.5
0.5
2.0
1.0

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Mechanical Operations
Tube mill compared to ball mill

Produces finer products
All of these
Uses smaller balls
Is long in comparison with its diameter

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Mechanical Operations
__________ mills are termed as disintegrators.

Pebble
Cage
Compartment
All of these

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Mechanical Operations
The main size reduction operation in ultrafine grinders is

Cutting
Attrition
Compression
Impact

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Mechanical Operations
The equivalent diameter of channel of a constant non-circular cross-section of 3 cm by 6 cm will be __________ cms.

2
20
12
8

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Mechanical Operations
Basic slag is not ground in

Tube mills
Compartment mills
Jaw crushers
Ball mills

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