Top 1000+ Solved Strength of Materials MCQ Questions Answer
Q. A beam ABC rests on simple supports at A and B with BC as an overhang. D is centre of span AB. If in the first case a concentrated load P acts at C while in the second case load P actsat D, then the
a. deflection at D in the first case will be equal to the deflection at C in the second case
b. deflection at C in the first case is equal to the deflection at D in the second case
c. deflection at D in the first case will always be smaller than the deflection at C in the second case
d. deflection at D in the first case will always be greater than the deflection at C in the second case
Q. A cantilever beam carries a uniformly distributed load from fixed end to the centre of the beam in the first case and a uniformly distributed load of same inten¬sity from centre of the beam to the free end in the second case. The ratio of deflections in the two cases is
a. 1/2
b. 3/11
c. 5/24
d. 7/41
Q. If the length of a simply supported beam carrying a concentrated load at the centre isdoubled, the defection at the centre will become
a. two times
b. four times
c. eight times
d. sixteen times
Q. A laminated spring is given an initial curvature because
a. it is more economical
b. it gives uniform strength
c. spring becomes flat when it is subjec-ted to design load
d. none of the above
Q. A laminated spring is supported at
a. ends and loaded at centre
b. centre and loaded at ends
c. ends and loaded anywhere
d. centre and loaded anywhere
Q. Laminated springs are subjected to
a. direct stress
b. bending stress
c. shear stress
d. none of the above
Q. Deflection in a leaf spring is more if its
a. strength is more
b. strength is less
c. stiffness is less
d. stiffness is more
Q. Buckling load for a given column depends upon
a. length of column only
b. least lateral dimension only
c. both length and least lateral dimension
d. none of the above
Q. Euler's formula for a mild steel long column hinged at both ends is not valid for slendernessratio
a. greater than 80
b. less than 80
c. greater than 180
d. greater than 120
Q. A long column has maximum crippling load when its
a. both ends are hinged
b. both ends are fixed
c. one end is fixed and other end is hinged
d. one end is fixed and other end is free