Mechanical Engineering - Strength of Materials

11.
For a 25 mm hole drilled in plates, the diameter of rivet shank should be
23mm
24.5mm
25mm
26mm
Answer: Option
Explanation:
No answer description is available. Let's discuss.

12.
A beam of uniform strength has
same cross-section throughout the beam
same bending stress at every section
same bending moment at every section
same shear stress at every section
Answer: Option
Explanation:
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13.
The shear force of a simply supported beam carrying a central point load changes sign at its midpoint.
Correct
Incorrect
Answer: Option
Explanation:
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14.
In a simple bending theory, one of the assumption is that the material of the beam is isotropic. This assumption means that the
normal stress remains constant in all directions
normal stress varies linearly in the material
elastic constants are same in all the directions
elastic constants varies linearly in the material
Answer: Option
Explanation:
No answer description is available. Let's discuss.

15.
The polar modulus for a solid shaft of diameter (D) is
Answer: Option
Explanation:
No answer description is available. Let's discuss.