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Mechanical Operations

Mechanical Operations
__________ baffles are provided in ball mills.

None of these
Only two
No
Horizontal

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

High speed steel
Wooden plank
Stainless steel
Cast iron

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Mechanical Operations
Which of the following can be most effectively used for clarification of lube oil and printing ink?

Precoat filter
Disc-bowl centrifuge
Sparkler filter
Sharpies supercentrifuge

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Mechanical Operations
In a size reduction crushing operation, feed size is 100 to 300 mm. while the product size is 10 to 50 mm. This is a case of the __________ crushing.

Fine
Secondary
Ultrafine
Primary

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Mechanical Operations
Stamp mills are generally used for crushing

Talc
Gold ores
Iron ores
Diamond

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Mechanical Operations
Sphericity of pulverised coal is

∞
1
>1

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