Theory of Structures The point of contraflexure is the point where M. is maximum M. is minimum S.F. is zero M. changes sign M. is maximum M. is minimum S.F. is zero M. changes sign ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A truss containing j joints and m members, will be a simple truss if m = 2j – 3 j = 2m – 3 m = 3j – 2 j = 3m – 2 m = 2j – 3 j = 2m – 3 m = 3j – 2 j = 3m – 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures section modulus of a square section of side B and that of a circular section of the ratio of the diameter D, is 3 /16 2 /15 /16 3 /8 3 /16 2 /15 /16 3 /8 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)/4D] BD² + mbd²)/6D] BD³ + mbd³)/6D] BD² + mbd³)/4D] BD² + mbd²)/4D] BD² + mbd²)/6D] ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures At yield point of a test piece, the material Undergoes plastic deformation Regains its original shape on removal of the load Behaves in an elastic manner Obeys Hooke’s law Undergoes plastic deformation Regains its original shape on removal of the load Behaves in an elastic manner Obeys Hooke’s law ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures In case of a simply supported I-section beam of span L and loaded with a central load W, the length of elasto-plastic zone of the plastic hinge, is L/4 L/3 L/5 L/2 L/4 L/3 L/5 L/2 ANSWER DOWNLOAD EXAMIANS APP