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Mechanical Operations

Mechanical Operations
Traces of solids are removed from, liquid in a

Clarifier
Rotary vacuum filter
Sparkler filter
Classifier

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Mechanical Operations
A fluid energy mill is used for

Ultra grinding
Crushing
Grinding
Cutting

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Mechanical Operations
Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm.

0.014
50
0.3
0.007

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Mechanical Operations
Which is a secondary crusher for a hard & tough stone?

Cone crusher
Impact crusher
Jaw crusher
Toothed roll crusher

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Mechanical Operations
Helical screw agitator is used for

None of these
Blending immiscible liquids
Mixing highly viscous pastes
Mixing liquids at very high temperature (> 250 °C)

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Mechanical Operations
Use of baffles in agitators help in minimising the __________ tendency.

Vortexing
Neither A nor B
Both A & B
Swirling

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MORE MCQ ON Mechanical Operations

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