Mechanical Engineering - Strength of Materials

41.
When a body is subjected to a direct tensile stress (σ) in one plane, then normal stress on an oblique section of the body inclined at an angle θ to the normal of the section is
σ cos θ
σ cos2 θ
σ sin θ
σ sin2 θ
Answer: Option
Explanation:
No answer description is available. Let's discuss.

42.
The columns whose slenderness ratio is less than 80, are known as
short columns
long columns
weak columns
medium columns
Answer: Option
Explanation:
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43.
The equivalent length, of a given column with given end conditions, is the length of an equivalent column of the same material and cross-section with hinged ends, and having the value of crippling load equal to that of the given column.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

44.
Within elastic limit, shear stress is __________ shear strain.
equal to
less than
directly proportional to
inversely proportional to
Answer: Option
Explanation:
No answer description is available. Let's discuss.

45.
Modular ratio of the two materials is the ratio of
linear stress to linear strain
shear stress to shear strain
their modulus of elasticities
their modulus of rigidities
Answer: Option
Explanation:
No answer description is available. Let's discuss.