426. In a thin cylindrical shell subjected to an internal pressure p, the ratio of longitudinal stress to the hoop stress is
427. The maximum shear stress is __________ the algebraic difference of maximum and minimum normal stresses.
428. The bending moment of a cantilever beam of length l and carrying a uniformly distributed load of w per unit length is __________ at the free end.
429. The ultimate tensile stress for mild steel is __________ the ultimate compressive stress.
430. The direct stress induced in a long column is __________ as compared to bending stress.
431. The shear force of a cantilever beam of length l carrying a uniformly distributed load of w per unit length is __________ at the free end.
432. The extension of a circular bar tapering uniformly from diameter d1 at one end to diameter d2 at the other end, and subjected to an axial pull of P is __________ the extension of a circular bar of diameter d1 d2 subjected to the same load P.
433. In case of an over-reinforced beam, the depth of actual neutral axis is the same as that of the critical neutral axis.
434. The thickness of a thin cylindrical shell with hemispherical ends is __________ that of spherical ends.
435. The assumption made in Euler's column theory is that
436. The limit of eccentricity for no tensile conditions for a column of circular section of diameter (d) is
437. The bending moment at the ends of a simply supported beam will be zero.
438. Strain energy is the
439. A vertical column has two moments of inertia (i.e. Ixx and Iyy ). The column will tend to buckle in the direction of the
440. The neutral axis of the cross-section a beam is that axis at which the bending stress is
441. Euler's formula holds good only for
442. The object of caulking in a riveted joint is to make the joint