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Mechanical Operations

Mechanical Operations
Which of the following is a pressure filter?

Sand filter
Leaf filter (Moore filter)
Rotary drum filter
Plate and flame filter

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Mechanical Operations
Which of the following is a continuous filter?

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

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Mechanical Operations
To produce talcum powder, use

Hammer mill
Jet mill
Pin mill
Ball mill

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Mechanical Operations
Chance process is used for the

Concentration of pyrites
Cleaning of coal
Concentration of iron ore
Water treatment

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Mechanical Operations
Grinding efficiency of a ball mill is of the order of __________ percent.

40-50
43835
90-95
75-80

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

0.5
2.0
1.0
1.5

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