Strength of Materials Questions

• The neutral axis of the cross-section a beam is that axis at which the bending stress is
• The stress at which the extension of the material takes place more quickly as compared to the increase in load, is called
• Which of the following statement is correct?
• The point of contraflexure is a point where
• The torque transmitted by a solid shaft of diameter (D) is (where τ = Maximum allowable shear stress)
• Euler's formula holds good only for
• A body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The maximum normal stress will be
• The maximum bending moment for the beam shown in the below figure, lies at a distance of __________ from the end B.
• A thick cylindrical shell having ro and ri as outer and inner radii, is subjected to an internal pressure (p). The maximum tangential stress at the inner surface of the shell is
• A composite shaft consisting of two stepped portions having spring constants k1 and k2 is held between two rigid supports at the ends. Its equivalent spring constant is
• In a simple bending theory, one of the assumption is that the material of the beam is isotropic. This assumption means that the
• For the beam shown in the below figure, the shear force at A is equal to
• A welded joint as compared to a riveted joint has __________ strength.
• A body is subjected to two normal stresses 20 kN/m2 (tensile) and 10 kN/m2 (compressive) acting perpendicular to each other. The maximum shear stress is
• When a cantilever beam is loaded at its free end, the maximum compressive stress shall develop at
• A beam of uniform strength has
• In the below figure, the stress corresponding to point D is
• Two shafts 'A' and 'B' are made of same material. The shaft 'A' is solid and has diameter D. The shaft 'B' is hollow with outer diameter D and inner diameter D/2. The strength of hollow shaft in torsion is __________ as that of solid shaft.
• The extremeties of any diameter on Mohr's circle represent
• The ductility of a material __________ with the increase in percentage reduction in area of a specimen under tensile test.