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Mechanical Operations

Mechanical Operations
Filtration of water in a paper mill is done by a/an __________ filter.

Vacuum leaf
Sparkler
Plate and frame
Open sand

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Mechanical Operations
__________ mixer is used for devulcanisation of rubber scrap & making water dispersion & rubber solution.

Banbery
Muller
Tumbler
Rubbon blender

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Mechanical Operations
Separation of solid suspended in liquid into a supernatant clear liquid and a denser slurry employs a process termed as the

Clarification
Flocculation
Sedimentation
Coagulation

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Mechanical Operations
Grindability of a material does not depend upon its

Elasticity
Toughness
Size
Hardness

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Mechanical Operations
What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls?

32°
46°
16°
40°

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Mechanical Operations
The crushed material received for separation is called feed or

Heading
Concentrate
Middling
Tailing

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