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 ωl²/16h ωl²/4h ωl²/8h ωl²/12h ωl²/16h ωl²/4h ωl²/8h ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A load of 1960 N is raised at the end of a steel wire. The minimum diameter of the wire so that stress in the wire does not exceed 100 N/mm² is: 4.5 mm 4.0 mm 5.0 mm 5.5 mm 4.5 mm 4.0 mm 5.0 mm 5.5 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A simply supported beam carries varying load from zero at one end and w at the other end. If the length of the beam is a, the maximum bending moment will be w²a wa² wa/27 wa²/27 w²a wa² wa/27 wa²/27 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The point of contraflexure is the point where M. changes sign S.F. is zero M. is maximum M. is minimum M. changes sign S.F. is zero M. is maximum M. is minimum ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures In a shaft, the shear stress is not directly proportional to Modulus of rigidity Angle of twist Length of the shaft Radius of the shaft Modulus of rigidity Angle of twist Length of the shaft Radius of the shaft ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A truss containing j joints and m members, will be a simple truss if m = 3j – 2 j = 2m – 3 m = 2j – 3 j = 3m – 2 m = 3j – 2 j = 2m – 3 m = 2j – 3 j = 3m – 2 ANSWER DOWNLOAD EXAMIANS APP