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Mechanical Operations

Mechanical Operations
Which of the following screens has the maximum capacity?

Grizzlies
Shaking screen
Vibrating screen
Trommels

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Mechanical Operations
Which of the following is a vacuum filter?

Tank filter (Nutsch filter)
Filter press
Batch basket centrifuge
Rotary disc filter

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Mechanical Operations
Capacity of flight conveyor in tons/hr is given by (where, W & D = width and depth of flight respectively in metre V = speed of the conveyor, metre/second ρ = bulk density of material, kg/m³)

3.6 D.V.ρ
3.6 W.V.ρ
3.6 W.D.V.ρ
3.6 W.D.V.

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Mechanical Operations
Stamp mills are generally used for crushing

Talc
Gold ores
Diamond
Iron ores

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Mechanical Operations
Sauter mean diameter is the same as the __________ mean diameter.

Mass
Geometric
Arithmetic
Volume-surface

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Mechanical Operations
Shell and leaf filter as compared to plate and frame filter

Entails less labor cost
All of these
Provides more effective washing
Facilitates filtration under higher pressure

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