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Mechanical Operations

Mechanical Operations
To get a fine talc powder from its granules, the equipment used is

Gyratory crusher
Jaw crusher
Ball mill
Roller crusher

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Mechanical Operations
Percentage of drum submerged in the slurry in case of rotary drum filter is

30
3
85
25

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Mechanical Operations
In a grinding operation, the limiting particle size is the size of the __________ particle in the sample.

Neither A nor B
Largest
Either A or B
Smallest

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Mechanical Operations
Trommels are revolving screens which normally operate in the range of __________ rpm.

60 - 75
43832
15 - 20
40 - 50

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Mechanical Operations
Which of the following comes in the category of primary crusher for hard and tough stone?

Cone crusher
Gyratory crusher
Jaw crusher
None of these

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Mechanical Operations
Soft & non-abrasive materials can be made into fines by

Cutting
Compression
None of these
Attrition

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