Strength of Materials Questions

• Mohr's circle is used to determine the stresses on an oblique section of a body subjected to
• The neutral axis of the symmetrical beam does not pass through the centroid of the beam.
• The shear force in the centre of a simply supported beam carrying a uniformly distributed load of w per unit length, is
• When a beam is subjected to bending moment, the stress at any point is __________ the distance of the point from the neutral axis.
• When a change in length takes place, the strain is known as
• The strength of a riveted joint is equal to the
• The maximum shear stress developed in a beam of rectangular section is __________ the average shear stress.
• The maximum bending moment of a simply supported beam with central point load lies at the point of loading.
• The bending moment at a section tends to bend or deflect the beam and the internal stresses resist its bending. The resistance offered by the internal stresses, to the bending, is called
• If the diameter of pressure vessel is 15 times the wall thickness, the vessel is said to be a thick shell.
• In the below figure, Hook's law holds good, for the portion from O to A.
• When the shear force diagram between any two points is an inclined straight line, it indicates that there is a uniformly varying load between the two points.
• The maximum bending moment of a cantilever beam of length l and carrying a uniformly distributed load of w per unit length lies at the middle of its length.
• 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 shear stress will be
• The strain energy stored in a body, when the load is gradually applied, is (where σ = Stress in the material of the body, V = Volume of the body, and E = Modulus of elasticity of the material)
• The maximum shear stress in a thin cylindrical shell subjected to internal pressure p is
• The maximum shear stress, in the given figure, is equal to __________ of the Mohr's circle.
• The section modulus of a rectangular section about an axis through its C.G., is
• A uniformly distributed load may be assumed to behave like a point load at the centre of gravity of the load for all sorts of calculations.
• A simply supported beam of length l carries a point load W at a point C as shown in the below figure. The maximum deflection lies at