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Mechanical Operations

Mechanical Operations
Maximum size reduction in a fluid energy mill is achieved by

Compression
Cutting
Impact
Interparticle attrition

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Mechanical Operations
Power consumption during turbulent flow in agitation tank is proportional to the __________ of the liquid.

Viscosity
Thermal conductivity
Density
Surface tension

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Mechanical Operations
Which of the following parts of a jaw crusher is subjected to maximum wear and tear during its operation?

Crush shaft
Toggles
Check plates
Jaw plates

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Mechanical Operations
Sulphuric acid mist is arrested by using a __________ scrubber.

Venturi
Co-current
Hollow wet
Packed wet

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Mechanical Operations
The ratio of the actual mesh dimension of Taylor series to that of the next smaller screen is

√2
1.5
2
√3

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Mechanical Operations
During agitation of liquids, power consumption during laminar flow is not proportional to the

Density of the liquid
Square of rotational speed
Viscosity of the liquid
Cube of impeller diameters

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