Chemical Engineering - Mechanical Operations
Exercise "I do not seek. I find."
- Pablo Picasso
16.
In bag filters, filter fabrics are never made of
A. metallic wire woven mesh B. polyester fibres C. cotton fibres D. nylon fibres
Answer: C
Explanation:
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17.
Use of 'grinding aids' is done in __________ grinding.
Answer: E
Explanation:
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18.
Height of liquid in agitation tank is normally maintained equal to the tank diameter. However, if the tank is too tall and a large liquid hold up is desired, then two or more impellers mounted on the same shaft may be used. The clearance between the tank bottom and the bottom most impeller should be about (where, D = impeller diameter)
Answer: B
Explanation:
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19.
Which of the following is the most suitable filter for separation of abrasive solids suspended in a corrosive liquid ?
A. Sand bed filter B. Plate and frame filter press C. Vacuum filter D. Batch basket centrifuge.
Answer: D
Explanation:
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20.
All resistances during washing of cake
A. increases B. decreases C. remain constant D. none of these
Answer: D
Explanation:
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