Principal plane has
A.Maximum shear stress
B.No shear stress
C.No compressive stress
D.Maximum tensile stress
E.Maximum compressive stress
Category: Strength Of Materials Mcqs
Hooke’s Law is valid within the limits of proportionality. The limit of proportionality depends on
A.type of loading
B.area of cross-section
C.type of material
D.hardness of material
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
In case of a circular shaft subjected to torque the value of shear stress
A.Is uniform throughout
B.Has maximum value at the axis
C.Has maximum value at the surface
D.Varies linearly from axis to surface
E.Is zero at the axis and linearly increases to a maximum value at the surface of the shaft
The phenomenon under which the strain of a material varies under constant stress is known as
A.Creep
B.Strain hardening
C.Buchinger’s effect
D.Hysteresis
E.Visco-elasticity
a diagram which respresents the variation of axial load along the length of simply supported beam is called
A.Shear force diagram
B.Bending moment diagram
C.Stress diagram
D.Thrust diagram
E.None of the above
A type of riveted joint in which the rivets in the adjacent rows are staggered and the outer-most row has only rivert, is known as
A.Zig-zag riveting
B.Butt-riveting
C.Chain riveting
D.Diamond riveting
E.Criss-cross riveting
Two beams of equal cross-sectional area are subjected to equal bending moment. If one beam has square cross-section and the other has circular section, then
A.Both beams will be equally strong
B.Circular section beam will be economical
C.Square section beam will be economical
D.The suitability of section will depend on the nature of loading
E.In shear, square section beam will be stronger
