Top 1000+ Solved Strength of Materials MCQ Questions Answer
Q. If shear force is zero along a section, the bending moment at that section will be
a. Minimum
b. Maximum
c. There is no correlation between the two
d. Minimum or Maximum
e. Zero
Q. The rod of a ceiling fan is subjected to
a. compressive stress
b. tensile stress
c. shear stress
d. torsional stress
e. None of the above
Q. The compression members tend to buckle in the direction of their
a. Axis of load
b. Perpendicular to the axis of load
c. Minimum cross-section
d. Least radius of gyration
e. None of the above
Q. The percentage reduction of area during tensile test on a cast iron specimen may be
a. Negligible
b. 25%
c. 50%
d. 5%
e. 10%
Q. The web bukling in beams may be avoided by
a. stiffening the web
b. limiting the stress that can be used
c. increasing the span
d. any of the above methods
e. None of the above
Q. If the rod in problem 165 stands erected vertically upwards then it will be known as
a. Short column
b. Strut
c. Long column
d. Medium column
e. None of the above
Q. Which of the following materials can be used for absorption of shock?
a. Rubber
b. Wood
c. sawdust
d. Lead sheet
e. Any of the above
Q. In a compression test the fracture in cast iron specimen would occur along
a. An oblique plane
b. Along the axis of load
c. A light angles to the specimen axis
d. Fracture will not occur in cast iron
e. None of the above
Q. Shear stresses on mutually perpendicular planes are
a. Equal
b. Maximum
c. Minimum
d. Zero
e. Unequal
Q. The weakness section of a diamond riveting is the section which passes through
a. End row with one rivet only
b. Row with maximum rivets
c. All rows have same strength
d. The first row
e. Middle row
Q. A 10 mm mild steel rod 40 min long lying on ground will be known as
a. Short column
b. Long column
c. Strut
d. Medium column
e. None of the above
Q. Torsional rigidity is
a. The torque that produces rotation of unit r.p.m. in a shaft
b. The torque that transmits one HP at one r.p.m.
c. The torque that produces a twist of one radian in a shaft of unit diameter
d. The torque that produces a twist of one radian in a shaft of unit length
e. None of the above
Q. A portion of a beam between two sections is said to be in pure bending when there is
a. constant bending moment and constant shear force
b. constant shear force and zero bending mement
c. constant bending moment and zero shear force
d. zero bending moment and zero shear force
e. None of the above
Q. A self-supporting steel chimney transmits the lateral forces to the foundation by
a. propped beam action
b. cantilever action
c. simply supported beam action
d. fixed beam action
e. None of the above
Q. The moment of inertia of an area will be least with respect to
a. Vertical axis
b. Moment of area does not depend on axes
c. Moment of area is same through all axes
d. Central axis
e. Horizontal axis