Mechanical Engineering - Strength of Materials

21.
In the torsion equation the term J/R is called
shear modulus
section modulus
polar modulus
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

22.
Strain rosettes are used to
measure shear strain
measure linear strain
measure volumetric strain
relieve strain
Answer: Option
Explanation:
No answer description is available. Let's discuss.

23.
The torque transmitted by a solid shaft of diameter (D) is (where τ = Maximum allowable shear stress)
x τ x D3
x τ x D3
x τ x D3
x τ x D3
Answer: Option
Explanation:
No answer description is available. Let's discuss.

24.
When a rectangular beam is loaded transversely, the maximum compressive stress is developed on the
top layer
bottom layer
neutral axis
every cross-section
Answer: Option
Explanation:
No answer description is available. Let's discuss.

25.
For a beam, as shown in the below figure, when the load W is applied in the centre of the beam, the maximum deflection is
Answer: Option
Explanation:
No answer description is available. Let's discuss.