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 4W²Dn/d4N 4W²D3n²/d4N 4W²D3n/d4N 4WD²n/d4N 4W²Dn/d4N 4W²D3n²/d4N 4W²D3n/d4N 4WD²n/d4N ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures For beams of uniform strength, if depth is constant, Width b 1/M Width b 3 M Width b M Width b M 2 Width b 1/M Width b 3 M Width b M Width b M 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The shape factor of standard rolled beam section varies from 1.20 to 1.30 1.10 to 1.20 1.30 to 1.40 1.40 to 1.50 1.20 to 1.30 1.10 to 1.20 1.30 to 1.40 1.40 to 1.50 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The load on a spring per unit deflection, is called Proof resilience Proof load Proof stress Stiffness Proof resilience Proof load Proof stress Stiffness ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A lift of weight W is lifted by a rope with an acceleration f. If the area of cross-section of the rope is A, the stress in the rope is [W (1 + f/ G)]/ A [W (2 + f/G)]/A (1 – g/f)/A [W (2 + g/f)]/A [W (1 + f/ G)]/ A [W (2 + f/G)]/A (1 – g/f)/A [W (2 + g/f)]/A 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