Theory of Structures The point of contraflexure is the point where S.F. is zero M. is minimum M. is maximum M. changes sign S.F. is zero M. is minimum M. is maximum M. changes sign ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A two hinged parabolic arch of span l and rise h carries a load varying from zero at the left end to ? per unit run at the right end. The horizontal thrust is ωl²/12h ωl²/8h ωl²/16h ωl²/4h ωl²/12h ωl²/8h ωl²/16h ωl²/4h ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A simply supported rolled steel joist 8 m long carries a uniformly distributed load over it span so that the maximum bending stress is 75 N/mm². If the slope at the ends is 0.005 radian and the value of E = 0.2 × 106 N/mm², the depth of the joist, is 400 mm 200 mm 300 mm 250 mm 400 mm 200 mm 300 mm 250 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures In a shaft, the shear stress is not directly proportional to Radius of the shaft Angle of twist Modulus of rigidity Length of the shaft Radius of the shaft Angle of twist Modulus of rigidity Length of the shaft 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 + mbd²)/6D] BD² + mbd³)/4D] BD² + mbd²)/4D] BD³ + mbd³)/6D] BD² + mbd²)/6D] BD² + mbd³)/4D] BD² + mbd²)/4D] ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A simply supported beam which carries a uniformly distributed load has two equal overhangs. To have maximum B.M. produced in the beam least possible, the ratio of the length of the overhang to the total length of the beam, is 0.307 0.207 0.508 0.407 0.307 0.207 0.508 0.407 ANSWER DOWNLOAD EXAMIANS APP