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Mechanical Operations

Mechanical Operations
Out of the following size reduction equipments, the maximum feed size can be accepted by the

Jet pulveriser
Ball mill
Tube mill
Jaw crusher

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Mechanical Operations
Which is a secondary crusher for a hard & tough stone?

Jaw crusher
Cone crusher
Impact crusher
Toothed roll crusher

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Mechanical Operations
Sphericity of raschig ring (whose length and diameter are equal) is

>1
1
2

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Mechanical Operations
Range of compressibility co-efficient of the commercial compressible cake obtained in filtration operation is

0.2 to 0.4
0.1 to 0.3
0.01 to 0.1
0.2 to 0.8

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Mechanical Operations
Energy consumed for crushing one ton of material ranges from __________ kWh.

0.5 to 1.5
2 to 3.5
4 to 5
0.01 to 0.1

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Mechanical Operations
Tank filter (e.g., Nutsch filter) is

A leaf filter
Used for small scale filtration work
A continuous filter
A high pressure filter

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