Chemical Engineering - Mechanical Operations

1. 

Out of the following size reduction equipments, the maximum feed size can be accepted by the

A. tube mill
B. ball mill
C. jaw crusher
D. jet pulveriser

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

2. 

Bucket elevators are not suitable for the vertical lifting of __________ materials.

A. fine (e.g. - 200 mesh size coal)
B. sticky (e.g. clay paste)
C. small lumpy (e.g. grains and sand)
D. free flowing

Answer: Option B

Explanation:

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3. 

The most common filter aid is

A. diatomaceous earth
B. calcium silicate
C. sodium carbonate
D. silica gel

Answer: Option A

Explanation:

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4. 

For removal of very small amounts of precipitate from large volume of water, the most suitable filter is the __________ filter.

A. plate & frame
B. shell & leaf
C. sand
D. rotary vacuum

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

5. 

For separation of sugar solution from settled out mud, we use a __________ filter.

A. sparkler
B. plate and frame
C. centrifugal
D. rotary drum vaccum

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

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