Chemical Engineering - Mechanical Operations

1.
Out of the following size reduction equipments, the maximum feed size can be accepted by the
tube mill
ball mill
jaw crusher
jet pulveriser
Answer: Option
Explanation:
No answer description is available. Let's discuss.

2.
Bucket elevators are not suitable for the vertical lifting of __________ materials.
fine (e.g. - 200 mesh size coal)
sticky (e.g. clay paste)
small lumpy (e.g. grains and sand)
free flowing
Answer: Option
Explanation:
No answer description is available. Let's discuss.

3.
The most common filter aid is
diatomaceous earth
calcium silicate
sodium carbonate
silica gel
Answer: Option
Explanation:
No answer description is available. Let's discuss.

4.
For removal of very small amounts of precipitate from large volume of water, the most suitable filter is the __________ filter.
plate & frame
shell & leaf
sand
rotary vacuum
Answer: Option
Explanation:
No answer description is available. Let's discuss.

5.
For separation of sugar solution from settled out mud, we use a __________ filter.
sparkler
plate and frame
centrifugal
rotary drum vaccum
Answer: Option
Explanation:
No answer description is available. Let's discuss.