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Chemical Engineering - Mechanical Operations

Exercise : Mechanical Operations - Section 4
21.
A __________ mixer resembles a ball mill without balls.
banbery
pug mill
tumbling
pan
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
__________ conveyor is the most suitable for short distance transportation of non-abrasive loose materials like garbage, grain, food wastes etc.
Flight
Screw
Drag
Belt
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
As the product becomes finer, the energy required for grinding
decreases
increases
is same as for coarser grinding
is 1.5 times that for coarser grinding
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Gyratory crushers compared to the reciprocating jaw crushers
have greater capacity per unit of discharge area.
crush intermittantly.
are less suitable for coarse materials.
have less steady power consumption.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
The important dimensional group involved in the power requirement calculation in mixing operation is the __________ number.
Reynold's
Froude
both (a) & (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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