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Mechanical Operations

Mechanical Operations
Which of the following may prove unsuitable for filtering volatile liquids?

Gravity filter
Vacuum filter
Centrifugal filter
Pressure filter

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Mechanical Operations
The equivalent diameter of channel of a constant non-circular cross-section of 3 cm by 6 cm will be __________ cms.

8
20
12
2

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Mechanical Operations
Ball mills and tube mills with flint or porcelain balls are used for size reduction of

Limestone
Non-metallic ores
Rubber
Asbestos

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Mechanical Operations
Metallic wire mesh is used as a filtering medium for the separation of dust from dust laden gas in case of a/an

Air filter
Bag filter
Venturi scrubber
Hydrocyclones

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Mechanical Operations
To remove dirt from the flowing fluid, we use a

Coagulant
Strains
Clarifier
Gravity settler

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Mechanical Operations
Soft & non-abrasive materials can be made into fines by

Cutting
None of these
Attrition
Compression

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