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 5.0 mm 4.0 mm 5.5 mm 4.5 mm 5.0 mm 4.0 mm 5.5 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures If a concrete column 200 × 200 mm in cross-section is reinforced with four steel bars of 1200 mm² total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm² and Es is 15 Ec 284 MN 274 MN 264 MN 294 MN 284 MN 274 MN 264 MN 294 MN ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Total strain energy theory for the failure of a material at elastic limit, is known Haig’s theory Rankine’s theory St. Venant’s theory Guest’s or Trecas’ theory Haig’s theory Rankine’s theory St. Venant’s theory Guest’s or Trecas’ theory ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A shaft subjected to a bending moment M and a torque T, experiences Maximum bending stress = 32M/πd³ Maximum shear stress = 16 T/πd³ Both A and B Neither A nor B Maximum bending stress = 32M/πd³ Maximum shear stress = 16 T/πd³ Both A and B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A spring of mean radius 40 mm contains 8 action coils of steel (N = 80000 N/mm²), 4 mm in diameter. The clearance between the coils being 1 mm when unloaded, the minimum compressive load to remove the clearance, is 25 N 30 N 35 N 40 N 25 N 30 N 35 N 40 N ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The greatest load which a spring can carry without getting permanently distorted, is called Proof load Proof stress Proof resilience Stiffness Proof load Proof stress Proof resilience Stiffness ANSWER DOWNLOAD EXAMIANS APP