Mechanical Engineering - Strength of Materials

16.
In the below figure, curve D represents mild steel.
Yes
No
Answer: Option
Explanation:
No answer description is available. Let's discuss.

17.
Which of the following is a proper sequence?
proportional limit, elastic limit, yielding, failure
elastic limit, proportional limit, yielding, failure
yielding, proportional limit, elastic limit, failure
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

18.
The neutral axis of a beam is subjected to __________ stress.
zero
maximum tensile
minimum tensile
maximum compressive
Answer: Option
Explanation:
No answer description is available. Let's discuss.

19.
When a load on the free end of a cantilever beam is increased, failure will occur
at the free end
at the fixed end
in the middle of the beam
at a distance 2l/3 from free end
Answer: Option
Explanation:
No answer description is available. Let's discuss.

20.
The length of a conical bar is l, diameter of base is d and weight per unit volume is w. It is fixea at its upper end and hanging freely. The elongation of the bar under the action of its own weight will be
Answer: Option
Explanation:
No answer description is available. Let's discuss.