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Mechanical Operations

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

25
30
85
3

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Mechanical Operations
Chance process is used for the

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

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Mechanical Operations
Supporting legs of a plate and frame filter is normally made of

High speed steel
Stainless steel
Wooden plank
Cast iron

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

1.5
2.0
1.0
0.5

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Mechanical Operations
Traces of liquid tar fog present in coke oven gas is separated using

Strainer
Electrostatic precipitator
None of these
Cyclone separator

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Mechanical Operations
In a roll crusher, both the rolls

Are rotated towards each other
Run either at the same or different speeds
Have the same diameter
All of these

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