# Strength of Materials (Set 1)

#### Multiple Choice Questions

1. A cube subjected to three mutually perpendicular stress of equal intensity p expenses a volumetric strain

2. The strain energy stored in a solid circular shaft subjected to shear stress (τ), is: (Where G = Modulus of rigidity for the shaft material)

3. The strain energy stored in a solid circular shaft in torsion, subjected to shear stress (τ), is: (Where, G = Modulus of rigidity for the shaft material)

4. The stress induced in a body, when suddenly loaded, is ________ the stress induced when the same load is applied gradually.

5. A material obeys hook’s law up to

6. A body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The maximum normal stress will be

7. The torque transmitted by a hollow shaft of outer diameter (d_{1}) and inner
diameter (d_{2}) is (where τ = Maximum allowable shear stress)

8. If T_{h} is the torque resisting capacity of a hollow shaft and T_{s} is that of
a solid shaft, of the same material, length and weight. Then,

9. If K_{h} is the torque resisting capacity of a hollow shaft and K_{s} is that of
a solid shaft, of the same material, length and weight. Then,

10. After reaching the yielding stage while testing a mild steel specimen, strain