point load at the two points
no loading between the two points
uniformly distributed load between the two points
uniformly varying load
✅ The correct answer is option D.
Strength of Materials MCQs
2. The critical neutral axis of a reinforced cement concrete beam is based on the principle that the neutral axis is situated at the centre of gravity of a given section.
TRUE
FALSE
✅ The correct answer is option A.
3. Modulus of rigidity may be defined as the ratio of
linear stress to lateral strain
lateral strain to linear strain
linear stress to linear strain
shear stress to shear
✅ The correct answer is option D.
4. According to Euler’s column theory, the crippling load for a column of length (l) fixed at both ends is __________ the crippling load for a similar column hinged at both ends.
equal to
two times
four times
eight times
✅ The correct answer is option C.
5. In a stress-strain diagram for mild steel, as shown in the below figure, the point A represents
elastic limit
upper yield-point
lower yield point
breaking point
✅ The correct answer is option A.
6. A thin cylindrical shell of diameter (d) length (l) and thickness (t) is subjected to an internal pressure (p). The longitudinal stress in the shell is
pd/t
pd/2t
pd/4t
pd/6t
✅ The correct answer is option C.
7. When a thin cylindrical shell is subjected to an internal pressure, there will be
a decrease in diameter and length of the shell
an increase in diameter and decrease in length of the shell
a decrease in diameter and increase in length of the shell
an increase in diamete
✅ The correct answer is option D.
8. A closely coiled helical spring is of mean diameter (D) and spring wire diameter (d). The spring index is the ratio of
1/d
1/D
D/d
d/D
✅ The correct answer is option C.
9. The tensile strength of the welded joint for double fillet is (where s = Leg or size of the weld, l = Length of weld, and σt = Allowable tensile stress for weld metal)
0.5 s.l.σt
s.l.σt
2 s.l.σt
2.s.l.σt
✅ The correct answer is option C.
10. The limit of eccentricity for no tensile conditions for a column of circular section of diameter (d) is
d/4
d/8
d/12
d/16
✅ The correct answer is option B.