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Mechanical Operations

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

Slitters
Tube mills
Dicers
Knife cutters

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Mechanical Operations
A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is

0.5
0.62
0.58
0.68

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Mechanical Operations
The capacity of a gyratory crusher is __________ that of a jaw crusher with the same gape, handling the same feed & for the same product size range.

2.5 times
5 times
Same as
10 times

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Mechanical Operations
Which of the following is a continuous filter?

Shell and leaf filter
Plate and frame filter
Cartridge filter
None of these

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Mechanical Operations
Fluid energy mill comes in the category of

Ultrafine grinder
Crusher
Cutter
Grinder

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Mechanical Operations
Trommels separate a mixture of particles depending on their

Density
Size
Electrical & magnetic properties
Wettability

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