121. A simply supported beam of length l carries a point load W at a point C as shown in the below figure. The maximum deflection lies at
point A
point B
point C
between points B and C
✅ The correct answer is option D.
Strength of Materials MCQs
122. A simply supported beam of length l is loaded with a uniformly distributed load of w per unit length. The maximum deflection is and lies at the centre of the beam.
TRUE
FALSE
✅ The correct answer is option A.
123. When a body is subjected to two equal and opposite pulls, as a result of which the body tends to extend its length, the stress and strain induced is
compressive stress, tensile strain
tensile stress, compressive strain
tensile stress, tensile strain
compressive stress, co
✅ The correct answer is option C.
124. A square beam and a circular beam have the same length, same allowable stress and the same bending moment. The ratio of weights of the square beam to the circular beam is
1-Feb
1
1/1.12
1-Feb
✅ The correct answer is option C.
126. When there is no increase or decrease in shear force between two points, it indicates that there is no change in the bending moment between these points.
TRUE
FALSE
✅ The correct answer is option B.
127. In a stress-strain diagram as shown in the below figure, the curve A represents
mild steel
soft brass
low carbon steel
cold rolled steel
✅ The correct answer is option B.
128. When a cantilever beam is loaded at its free end, the maximum compressive stress shall develop at
bottom fibre
top fibre
neutral axis
centre of gravity
✅ The correct answer is option A.
129. In order to avoid tearing off the plate at an edge, the distance from the centre of the rivet hole to the nearest edge of the plate (i.e. margin) should be (where d = Diameter of rivet hole in mm)
d
1.5 d
2 d
2.5 d
✅ The correct answer is option B.
130. The direct stress, across a principal plane, is known as principal stress.
Yes
No
✅ The correct answer is option A.