state gov TSPSC Polytechnic Lecturer Mock Test 2022 Strength of Materials Shear Stress and Bending Stress
Equivalent moment of inertia of the cross-section in terms of timber of a flitched beam made up of steel and timber is (Given that m=Es /Et , It = Moment of Inertia of Timber Beam, Is = Moment of Inertia of Steel Beam)
1
(It +m/Is )
2
(It +Is/m)
3
(It +mIs )
4
(It +2mIs )