A solid alloy shaft 5cm diameter is to be coupled in series with a hollow steel shaft of the same external diameter. Find the internal diameter of the steel shaft if the angle of twist per unit length is to be 75% of that of the alloy shaft. Determine the speed at which the shafts are to be driven to transmit 200kW, if the limits of shearing stress are to be 55N/mm2 and 75N/mm2 in alloy and steel respectively. Gsteel = 2.2Galloy EXAMPLE 8. A solid alloy shaft 5 cm diameter is to be coupled in serieswith a hollow steel shaft of the same external diameter. Find the internaldiameter of the steel shaft if the angle of twist per unit length is to be 75%of that of the alloy shaft. Determine the speed at which the shafts are to bedriven to transmit 200 kW, if the limits of shearing stress are to be 55 N/mm²and 75 N/mm² in alloy and steel respectively. Gstel =2·2Galloy.Angle of twist per unit length =0/l%3D

Given information in question Permissible shear stress Modulus of rigidity Diameter Power

Answered: A solid alloy shaft 5cm diameter is to…

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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A solid alloy shaft 5cm diameter is to be coupled in series with a hollow steel shaft of the same external diameter. Find the internal diameter of the steel shaft if the angle of twist per unit length is to be 75% of that of the alloy shaft. Determine the speed at which
the shafts are to be driven to transmit 200kW, if the limits of shearing stress are to be 55N/mm2 and 75N/mm2 in alloy and steel respectively. Gsteel = 2.2Galloy

EXAMPLE 8. A solid alloy shaft 5 cm diameter is to be coupled in series
with a hollow steel shaft of the same external diameter. Find the internal
diameter of the steel shaft if the angle of twist per unit length is to be 75%
of that of the alloy shaft. Determine the speed at which the shafts are to be
driven to transmit 200 kW, if the limits of shearing stress are to be 55 N/mm²
and 75 N/mm² in alloy and steel respectively. Gstel =2·2Galloy.
Angle of twist per unit length =0/l
%3D

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