(a) A solid shaft, 100 mm diameter, transmits 75 kW at 150 rev/min. Determine the vadue of the maximum shear stress set up in the shaft and the angle of twist per metre of the saaft length if G = 80 GN/m?. (b) If the shaft were now bored in order to reduce weight to produce a tube of 100 mm outside diameter and 60 mm inside diamcter, what torque could be carried if the same maximum shear stress is not to be exceeded? What is the percentage increase in power/weight ratio effected by this modification?

(a) A solid shaft, 100 mm diameter, transmits 75 kW at 150 rev/min. Determine the vadue of the maximum shear stress set up in the shaft and the angle of twist per metre of the saaft length if G = 80 GN/m?. (b) If the shaft were now bored in order to reduce weight to produce a tube of 100 mm outside diameter and 60 mm inside diamcter, what torque could be carried if the same maximum shear stress is not to be exceeded? What is the percentage increase in power/weight ratio effected by this modification?

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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