Theory of Structures The equivalent length of a column of length L, having both the ends hinged, is L L/2 2L S L L/2 2L S ANSWER DOWNLOAD EXAMIANS APP
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 4WD²n/d4N 4W²D3n²/d4N 4W²D3n/d4N 4W²Dn/d4N 4WD²n/d4N 4W²D3n²/d4N 4W²D3n/d4N 4W²Dn/d4N 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
Theory of Structures A steel bar 5 m × 50 mm is loaded with 250,000 N. If the modulus of elasticity of the material is 0.2 MN/mm² and Poisson’s ratio is 0.25, the change in the volume of the bar is: 1.125 cm³ 4.125 cm² 2.125 cm³ 3.125 cm³ 1.125 cm³ 4.125 cm² 2.125 cm³ 3.125 cm³ 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 Wa/h Wa/2h 2W/ha 2h/Wa Wa/h Wa/2h 2W/ha 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 = S – F Q = S × F Q = F – S Q = S + F Q = S – F Q = S × F Q = F – S ANSWER DOWNLOAD EXAMIANS APP