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Mechanical Operations

Mechanical Operations
Fibrous material is broken by a

Ball mill
Tube mill
Rollcrusher
Squirrel-cage disintegrator

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Mechanical Operations
Filtration rate through a filter cake is proportional to (where, S = filtering surface R = specific cake resistance μ = viscosity of the filtrate)

S
1/R
1/μ
All of these

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Mechanical Operations
For the preliminary breaking of hard rock, we use a

Squirrel-cage disintegrator
Tube mill
Ball mill
Gyratory crusher

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Mechanical Operations
The unit of filter medium resistance is

Cm/gm⁻¹
Cm⁻¹
Gm⁻¹
Gm/cm⁻¹

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Mechanical Operations
The ratio of the area of openings in one screen (Taylor series) to that of the openings in the next smaller screen is

?2
None of these
1
1.5

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Mechanical Operations
Which of the follwoing mechanical conveyors does not come under the division 'scrapers'?

Ribbon conveyor
Drag conveyor
Bucket elevators
Flight conveyor

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MORE MCQ ON Mechanical Operations

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