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 4W²D3n²/d4N 4W²D3n/d4N 4WD²n/d4N 4W²Dn/d4N 4W²D3n²/d4N 4W²D3n/d4N 4WD²n/d4N 4W²Dn/d4N ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The ratio of the length and diameter of a simply supported uniform circular beam which experiences maximum bending stress equal to tensile stress due to same load at its mid span, is 1/3 1/8 1/2 1/4 1/3 1/8 1/2 1/4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A body is said to be in equilibrium if None of these It rotates about its C.G. It moves horizontally It moves vertically None of these It rotates about its C.G. It moves horizontally It moves vertically ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures If Q is load factor, S is shape factor and F is factor of safety in elastic design, the following: Q = S + F Q = F – S Q = S – F Q = S × F Q = S + F Q = F – S Q = S – F Q = S × F 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 40 N 35 N 30 N 25 N 40 N 35 N 30 N ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A simply supported beam carries varying load from zero at one end and w at the other end. If the length of the beam is a, the maximum bending moment will be w²a wa² wa/27 wa²/27 w²a wa² wa/27 wa²/27 ANSWER DOWNLOAD EXAMIANS APP