Theory of Structures The point of contraflexure is the point where S.F. is zero M. changes sign M. is minimum M. is maximum S.F. is zero M. changes sign M. is minimum M. is maximum ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Principal planes are subjected to Tangential stresses only Normal stresses as well as tangential stresses Normal stresses only None of these Tangential stresses only Normal stresses as well as tangential stresses Normal stresses only None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A steel rod of sectional area 250 sq. mm connects two parallel walls 5 m apart. The nuts at the ends were tightened when the rod was heated to 100°C. If steel = 0.000012/C°, Esteel = 0.2 MN/mm², the tensile force developed at a temperature of 50°C, is 100 N/mm 2 80 N/mm² 120 N/mm² 150 N/mm² 100 N/mm 2 80 N/mm² 120 N/mm² 150 N/mm² ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A shaft is subjected to bending moment M and a torque T simultaneously. The ratio of the maximum bending stress to maximum shear stress developed in the shaft, is 2M/ T T/M M/T 2T/M 2M/ T T/M M/T 2T/M ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures There are two hinged semicircular arches A, B and C of radii 5 m, 7.5 m and 10 m respectively and each carries a concentrated load W at their crowns. The horizontal thrust at their supports will be in the ratio of 1 : 1 : 2 2 : 1½ : 1 None of these 1 : 1½ : 2 1 : 1 : 2 2 : 1½ : 1 None of these 1 : 1½ : 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Flat spiral springs All of these Consist of uniform thin strips Are wound by applying a torque Consist of uniform thin strips All of these Consist of uniform thin strips Are wound by applying a torque Consist of uniform thin strips ANSWER DOWNLOAD EXAMIANS APP