Strength of Materials Questions

• When one plate overlaps the other and the two plates are riveted together with two rows of rivets, the joint is known as
• A beam of uniform strength may be obtained by
• A bar of length L metres extends by l mm under a tensile force of P. The strain produced in the bar is
• The maximum deflection of a fixed beam carrying a central point load lies at
• 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 minimum normal stress will be
• When a circular bar tapering uniformly from diameter d1, at one end to diameter d2 at the other end, is subjected to an increase in temperature (t), then the thermal stress induced is (where α = Coefficient of linear expansion, and E = Modulus of elasticity for the bar material)
• The thermal or temperature stress is a function of
• The springs in brakes and clutches are used to
• The maximum deflection of a fixed beam of length l carrying a central point load W is
• The shear force and bending moment are zero at the free end of a cantilever beam, if it carries a
• In Mohr's circle, the centre of circle from Y-axis is taken as
• The shear force diagram fora cantilever beam of length l and carrying a gradually varying load from zero at free end and w per unit length at the fixed end is a
• When a body is subjected to a direct tensile stress (σ) in one plane, the maximum shear stress is __________ the maximum normal stress.
• A bolt is made to pass through a tube and both of them are tightly fitted with the help of washers and nuts. If the nut is tightened, then
• The volumetric strain is the ratio of the
• Which of the following statement is correct?
• When a bar of length l, width b and thickness t is subjected to a pull of P, its
• In the below figure, the point E represents the maximum stress.
• Strain is equal to (where l = Original length, and δl = Change in length)
• A shaft revolving at ω rad / s transmits torque (T) in N-m. The power developed is