Theory of Structures The point of contraflexure is the point where M. is maximum M. changes sign S.F. is zero M. is minimum M. is maximum M. changes sign S.F. is zero M. is minimum ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A close coil helical spring when subjected to a moment M having its axis along the axis of the helix Its mean diameter will decrease It is subjected to pure bending All of these Its number of coils will increase Its mean diameter will decrease It is subjected to pure bending All of these Its number of coils will increase ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Principal planes are subjected to Tangential stresses only Normal stresses only None of these Normal stresses as well as tangential stresses Tangential stresses only Normal stresses only None of these Normal stresses as well as tangential stresses 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 80 N/mm² 150 N/mm² 120 N/mm² 100 N/mm 2 80 N/mm² 150 N/mm² 120 N/mm² 100 N/mm 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A shaft subjected to a bending moment M and a torque T, experiences Maximum shear stress = 16 T/πd³ Neither A nor B Maximum bending stress = 32M/πd³ Both A and B Maximum shear stress = 16 T/πd³ Neither A nor B Maximum bending stress = 32M/πd³ Both A and B ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The maximum deflection due to a load W at the free end of a cantilever of length L and having flexural rigidity EI, is WL3/2EI WL²/3EI WL²/2EI WL3/3EI WL3/2EI WL²/3EI WL²/2EI WL3/3EI ANSWER DOWNLOAD EXAMIANS APP
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