Mechanical Engineering - Strength of Materials

6.
When a bar of length l, width b and thickness t is subjected to a pull of P, its
length, width and thickness increases
length, width and thickness decreases
length increases, width and thickness decreases
length decreases, width and thickness increases
Answer: Option
Explanation:
No answer description is available. Let's discuss.

7.
A column with maximum equivalent length has
both ends hinged
both ends fixed
one end fixed and the other end hinged
one end fixed and the other end free
Answer: Option
Explanation:
No answer description is available. Let's discuss.

8.
A column of length (l) with both ends fixed may be considered as equivalent to a column of length __________ with both ends hinged.
l/8
l/4
l/2
l
Answer: Option
Explanation:
No answer description is available. Let's discuss.

9.
The product of the tangential force acting on the shaft and its distance from the axis of the shaft (i.e. radius of shaft) is known as
bending moment
twisting moment
torsional rigidity
flexural rigidity
Answer: Option
Explanation:
No answer description is available. Let's discuss.

10.
When a body is subjected to a direct tensile stress (σ) in one plane, the maximum shear stress is __________ the maximum normal stress.
equal to
one-half
two-third
twice
Answer: Option
Explanation:
No answer description is available. Let's discuss.