Top 1000+ Solved Strength of Materials MCQ Questions Answer
Q. The distance between the centre of a rivet hole to the nearest edge of plate, is called
a. margin
b. pitch
c. back pitch
d. diagonal pitch
Q. The strain energy stored in a spring, when subjected to maximum load, without suffering permanent distortion, is known as
a. impact energy
b. proof resilience
c. proof stress
d. modulus of resilience
Q. The section modulus of a circular section about an axis through its C.G., is
a. ?d2 / 4
b. ?d2 / 16
c. ?d3 / 16
d. ?d3 / 32
Q. Rivets are generally specified by
a. thickness of plates to be joined
b. overall length
c. shank diameter
d. diameter of head
Q. Two closely coiled helical springs 'A' and 'B' are equal in all respects but the diameter of wire of spring 'A' is double that of spring 'B'. The stiffness of spring 'B' will be
a. one-sixteenth
b. one-eighth
c. one-fourth
d. one-half
Q. Two closely coiled helical springs 'A' and 'B' are equal in all respects but the number of turns of spring 'A' is double that of spring 'B'. The stiffness of spring 'A' will be
a. one-sixteenth
b. one-eighth
c. one-fourth
d. one-half
Q. The neutral axis of a transverse section of a beam passes through the centre of gravity of the section and is
a. in the vertical plane
b. in the horizontal plane
c. in the same plane in which the beam bends
d. at right angle to the plane in which the beam bends
Q. For a 25 mm hole drilled in plates, the diameter of rivet shank should be
a. 23 mm
b. 24.5 mm
c. 25 mm
d. 26 mm
Q. The moment of resistance of a balanced reinforced concrete beam is based on the stresses in
a. steel only
b. concrete only
c. steel and concrete both
d. none of these
Q. The shear stress at the centre of a circular shaft under torsion is
a. zero
b. minimum
c. maximum
d. infinity
Q. Which of the following statement is correct?
a. The stress is the pressure per unit are
b. The strain is expressed in mm.
c. Hook's law holds good upto the breaking point
d. Stress is directly proportional to strain within elastic limit.