Theory of Structures A close coil helical spring of mean diameter D consists of n coils of diameter d. If it carries an axial load W, the energy stored in the spring, is 4W²D3n/d4N 4WD²n/d4N 4W²Dn/d4N 4W²D3n²/d4N 4W²D3n/d4N 4WD²n/d4N 4W²Dn/d4N 4W²D3n²/d4N ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The greatest load which a spring can carry without getting permanently distorted, is called Proof resilience Stiffness Proof load Proof stress Proof resilience Stiffness Proof load Proof stress ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A material is said to be perfectly elastic if It regains its original shape on removal of the load It regains its original shape partially on removal of the load It does not regain its original shape at all None of these It regains its original shape on removal of the load It regains its original shape partially on removal of the load It does not regain its original shape at all None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A cantilever of length ‘L’ is subjected to a bending moment ‘M’ at its free end. If EI is the flexural rigidity of the section, the deflection of the free end, is ML²/2EI ML/EI ML²/3EI ML/2EI ML²/2EI ML/EI ML²/3EI ML/2EI ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The maximum deflection of a simply supported beam of span L, carrying an isolated load at the centre of the span; flexural rigidity being EI, is WL3/8EL WL3/24EL WL3/48EL WL3/3EL WL3/8EL WL3/24EL WL3/48EL WL3/3EL ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures An isolated load W is acting at a distance a from the left hand support, of a three hinged arch of span 2l and rise h hinged at the crown, the horizontal reaction at the support, is 2h/Wa 2W/ha Wa/2h Wa/h 2h/Wa 2W/ha Wa/2h Wa/h ANSWER DOWNLOAD EXAMIANS APP