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# Of the following solid shafts diameter, which is the smallest that can be used for the rotor of a 6 hp motor operating at 4500 rpm,..?

Cont...

if the maximum shear stress for the shaft is 8500 psi?

A. 5/16 in

B. 3/8 in

C. 1/2 in

D. 1 in

### 1 Answer

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- PhilomelLv 72 months ago
The 5/16 is the smallest size solid shaft. The shear strength is dependent on the material.

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