Chemical Engineering · all questions

Mechanical Operations
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Q301

The unit of specific cake resistance is

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Q302

Reciprocal of sphericity is termed as the

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Q303

Which of the following is used for primary crushing of very hard lumpy materials?

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Q304

For spheres, volume shape factor is given by

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Q305

__________ are used for the separation of coarse particles from a slurry of fine particles.

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Q306

To remove dirt from the flowing fluid, we use a

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Q307

The term 'angle of nip' is concerned with the operation of the __________ crushers.

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Q308

There is practically no alternative/competitor to __________ in the beneficiation treatment of sulphide ores.

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Q309

Filtration of water in a paper mill is done by a/an __________ filter.

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Q310

Maximum size reduction in a ball mill is done by the, __________ action.

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Q311

The cake resistance increases steadily with the time of filtration in a plate and frame filter employing constant __________ filtration.

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Q312

For crushing of solids, the Rittinger's law states that the work required for crushing is proportional to

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Q313

Xanthates are used in the froth floatation process as a/an

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Q314

Dispersion of a gas through liquid is done by using a

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Q315

Vacuum is applied in __________ zone, in case of a general type continuous rotary drum vacuum filter.

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Q316

The process by which fine solids is removed from liquids is termed as

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Q317

The mechanism of size reduction by a hammer mill is by impact and attrition between the

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Q318

Paddle agitator

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Q319

Tabular bowl centrifuges as compared to disk bowl centrifuges

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Q320

Which of the following is not a part of the Blake jaw crusher?

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