Theory of Structures a uniform circular bar of diameter d and length , which extends by an The deflection of amount under a tensile pull , when it carries the same load at its mid-span, is e²l²/3d² el²/3d² el/2d ee²l/3d² e²l²/3d² el²/3d² el/2d ee²l/3d² 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 ML/2EI ML²/2EI ML/EI ML²/3EI ML/2EI ML²/2EI ML/EI ML²/3EI 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 = F – S Q = S × F Q = S + F Q = S – F Q = F – S Q = S × F ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The point of contraflexure is the point where M. is maximum M. changes sign M. is minimum S.F. is zero M. is maximum M. changes sign M. is minimum S.F. is zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures For determining the support reactions at A and B of a three hinged arch, points B and Care joined and produced to intersect the load line at D and a line parallel to the load line through A at D’. Distances AD, DD’ and AD’ when measured were 4 cm, 3 cm and 5 cm respectively. The angle between the reactions at A and B is 30° 90° 45° 60° 30° 90° 45° 60° ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures If a concrete column 200 × 200 mm in cross-section is reinforced with four steel bars of 1200 mm² total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm² and Es is 15 Ec 284 MN 264 MN 294 MN 274 MN 284 MN 264 MN 294 MN 274 MN ANSWER DOWNLOAD EXAMIANS APP