Theory of Structures For a strongest rectangular beam cut from a circular log, the ratio of the width and depth, is 0.505 0.303 0.404 0.707 0.505 0.303 0.404 0.707 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A steel plate d × b is sandwiched rigidly between two timber joists each D × B/2 in section. The steel will be (where Young’s modulus of steel is m times that of the timber). BD³ + mbd³)/6D] BD² + mbd³)/4D] BD² + mbd²)/6D] BD² + mbd²)/4D] BD³ + mbd³)/6D] BD² + mbd³)/4D] BD² + mbd²)/6D] BD² + mbd²)/4D] ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures If a three hinged parabolic arch, (span l, rise h) is carrying a uniformly distributed load w/unit length over the entire span, B.M. will be zero throughout S.F. will be zero throughout Horizontal thrust is wl2/8h All of these B.M. will be zero throughout S.F. will be zero throughout Horizontal thrust is wl2/8h All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A spring of mean radius 40 mm contains 8 action coils of steel (N = 80000 N/mm²), 4 mm in diameter. The clearance between the coils being 1 mm when unloaded, the minimum compressive load to remove the clearance, is 35 N 30 N 25 N 40 N 35 N 30 N 25 N 40 N ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Total strain energy theory for the failure of a material at elastic limit, is known Haig’s theory Guest’s or Trecas’ theory Rankine’s theory St. Venant’s theory Haig’s theory Guest’s or Trecas’ theory Rankine’s theory St. Venant’s theory ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A compound truss may be formed by connecting two simple rigid frames, by Two bars Three bars Three bars intersecting at a point three parallel bars Two bars Three bars Three bars intersecting at a point three parallel bars ANSWER DOWNLOAD EXAMIANS APP