Mechanical Engineering - Strength of Materials - Discussion

Discussion Forum : Strength of Materials - Section 4 (Q.No. 24)
24.
Two shafts 'A' and 'B' have the same material. The shaft 'A' is solid of diameter 100 mm. The shaft 'B' is hollow with outer diameter 100 mm and inner diameter 50 mm. The torque transmitted by shaft 'B' is __________ as that of shaft 'A'.
1/6
1/8
1/4
15/16
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
12 comments Page 2 of 2.

Joel said:   10 years ago
Torque transmitted by a solid shaft: (pie)/16*(tau)*D^3.

(Here D is given 100).

Torque transmitted by a hollow shaft: (pie)/16*(tau)*((D^4 - d^4))/D.

(Here D = outer diameter = 100; d = inner diameter = 50).

Solve the above and you will get 15/16.
(1)

Anand Singh said:   1 decade ago
Anyone solve this?


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