Strength of Materials MCQ with Answers

71) The bending moment diagram for a simply supported beam carrying a uniformly distributed load of w per unit length, will be

Answer is:

a parabolic curve

Explanation:

The bending moment diagram for a simply supported beam carrying a uniformly distributed load of w per unit length, will be a parabolic curve.

72) The point of contra flexure is a point where

Answer is:

bending moment changes sign

73) When shear force at a point is zero, then bending moment is ______ at that point.

Answer is:

maximum

74) In a simply supported beam carrying a uniformly distributed load w per unit length, the point of contraflexure

Answer is:

does not exists

Explanation:

The point where the bending moment changes sign (or zero) is known as point of contraflexure. This point generally occurs in overhanging beams.
In a simply supported beam carrying a uniformly distributed load w per unit length, bending moment does not changes its sign, hence the point of contraflexure does not exists.

In a simply supported beam carrying a uniformly distributed load w per unit length, the point of contraflexure

75) when there is a sudden increase or decrease in shear force diagram between any two points, it indicates that there is a

Answer is:

71) The bending moment diagram for a simply supported beam carrying a uniformly distributed load of w per unit length, will be

a parabolic curve

72) The point of contra flexure is a point where

bending moment changes sign

73) When shear force at a point is zero, then bending moment is ______ at that point.

maximum

74) In a simply supported beam carrying a uniformly distributed load w per unit length, the point of contraflexure

does not exists

75) when there is a sudden increase or decrease in shear force diagram between any two points, it indicates that there is a

point load at the two points