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Chemical Engineering - Mechanical Operations - Discussion

Discussion Forum : Mechanical Operations - Section 2 (Q.No. 34)
Mechanical Operations
34.
Bond crushing law
calls for relatively less energy for the smaller product particles, than does the Rittinger law.
is less realistic in estimating the power requirements of commercial crushers.
states that the work required to form particle of any size from very large feed is proportional to the square root of the volume to surface ratio of the product.
states that the work required for the crushing is proportional to the new surface created.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
5 comments Page 1 of 1.
Subash SHARMA said:   7 years ago
Bond postulated that work required to form particles of size Dp from very large feed is proportional to the square root of the surface-to-volume ratio of the product, Sp/Vp.

So, the answer A would be correct.
Dipak said:   8 years ago
@Subhasis Das.

No, it is proportional to the square root of the surface to volume ratio of the product. Not volume to surface.
Phani chandra shekar said:   3 years ago
A is the correct answer. Agree with the given answer.
Subhasis das said:   9 years ago
This answer is wrong. The right answer is C.
Arindom said:   7 years ago
No @Subash.

Surface to volume is correct.
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