Mechanical Engineering - Strength of Materials

16.
A localised compressive stress at the area of contact between two members is known as
tensile stress
bending stress
crushing stress
shear stress
Answer: Option
Explanation:
No answer description is available. Let's discuss.

17.
Two closely-coiled helical springs 'A' and 'B' are equal in all respects but the number of turns of spring 'A' is double that of spring 'B'. The stiffness of spring 'A' will be __________ that of spring 'B'.
one-sixteenth
one-eighth
one-fourth
one-half
Answer: Option
Explanation:
No answer description is available. Let's discuss.

18.
In a tensile test, when the material is stressed beyond elastic limit, the tensile strain __________ as compared to the stress.
decreases slowly
increases slowly
decreases more quickly
increases more quickly
Answer: Option
Explanation:
No answer description is available. Let's discuss.

19.
Poisson's ratio is the ratio of linear stein to the volumetric strain.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

20.
A section of beam is said to be in pure bending, if it is subjected to
constant bending moment and constant shear force
constant shear force and zero bending moment
constant bending moment and zero shear force
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.