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Hi, why hollow shafts are preferred to solid shafts? Please give me an answer in a simple way.

Hi,
why hollow shafts are preferred to solid shafts?
Please give me an answer in a simple way.

Grade:12th pass

1 Answers

Arun
25750 Points
6 years ago
Dear Priyanka
 
For the same material, same weight and same length, hollow shaft can transmit more torque and can also resist more bending moment than solid one & also stress developed at any ponit/ fiber is relatively less.(As torque tramission capacity and bending moment resistance is directly proportional & stress developed at any ponit/fiber is inversely proportional to the Both SECTION MODULUS AND POLAR MODULUS)
 
Regards
Arun (askIITians forum expert)

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