Theory of Structures A bar L metre long and having its area of cross-section A, is subjected to a gradually applied tensile load W. The strain energy stored in the bar is WL/2AE W²L/AE WL/AE W²L/2AE WL/2AE W²L/AE WL/AE W²L/2AE 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 2W/ha 2h/Wa Wa/h Wa/2h 2W/ha 2h/Wa Wa/h Wa/2h 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). BD² + mbd²)/4D] BD² + mbd²)/6D] BD² + mbd³)/4D] BD³ + mbd³)/6D] BD² + mbd²)/4D] BD² + mbd²)/6D] BD² + mbd³)/4D] BD³ + mbd³)/6D] ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The load on a spring per unit deflection, is called Proof resilience Proof stress Proof load Stiffness Proof resilience Proof stress Proof load Stiffness 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 30 N 40 N 35 N 25 N 30 N 40 N 35 N 25 N ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures parabolic arch of span and rise , is given by The equation of a y = 3h/l² × (1 – x) y = 2h/l² × (1 – x) y = 4h/l² × (1 – x) y = h/l² × (1 – x ) y = 3h/l² × (1 – x) y = 2h/l² × (1 – x) y = 4h/l² × (1 – x) y = h/l² × (1 – x ) ANSWER DOWNLOAD EXAMIANS APP
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