Strength of Materials Questions

• The maximum deflection of a fixed beam of length l carrying a total load W uniformly distributed over the whole length is
• The maximum deflection of a cantilever beam of length l with a point load W at the free end is
• In a simple bending theory, one of the assumption is that the plane sections before bending remain plane after bending. This assumption means that
• A thick cylindrical shell having ro and ri as outer and inner radii, is subjected to an internal pressure (p). The minimum tangential stress at the outer surface of the shell is
• The maximum bending moment for a simply supported beam with a gradually varying load from zero at both ends and w per metre at the centre, lies at the centre of a beam.
• Which of the following statement is correct?
• The rivets are used for __________ fastenings.
• In the below figure, curve C represents soft brass.
• The factor of safety is always more than unity.
• When a body is subjected to direct tensile stresses (σx and σy ) in two mutually perpendicular directions, accompanied by a simple shear stress τxy , then in Mohr's circle method, the circle radius is taken as
• The assumption, generally, made in the theory of simple bending is that
• The bending moment at the free end of a cantilever beam is
• For the two shafts connected in parallel and subjected to twisting moment, the angle of twist of each shaft will be same.
• In a leaf spring, the deflection at the centre is
• A spring used to absorb shocks and vibrations is
• A cantilever beam is one which is
• The hoop stress in a thick cylindrical shell is maximum at the inner radius.
• For a shaft, the shear stress at a point is __________ the distance from the axis of the shaft.
• In the below figure, stress is proportional to strain, for the portion
• Two closely-coiled helical springs 'A' and 'B' are equal in all respects but the number of turns of spring 'A' is double that of spring 'B'. The stiffness of spring 'A' will be __________ that of spring 'B'.