Q 6. Derive the relationship between modulus of
rigidity and modulus of elasticity.
Q 7. Explain slenderness ratio and its effect on Euler buckling strength of long column.
Q 8. Derive the relationship between Young’s modulus (E)and bulk modulus (K).
Q 9. For a general two dimensional stress system, derive expressions for principal stresses principal planes.
Q 10. Explain Hogging bending moment and Sagging bending moment.
Q 11. Distinguish between pure bending and ordinary bending.
Q 12. Derive Euler’s equation for crippling load of a
column whose both ends are hinged.
Q 13 . A T section of flange 120mm X12 mm and overall depth 200mm with 12mm web thickness is loaded
such a way that at a section it has a moment of 20KN and shear force of 120KN.sketch the bending and
shear stress distribution diagram making salient values.