Theory of Structures There are two hinged semicircular arches A, B and C of radii 5 m, 7.5 m and 10 m respectively and each carries a concentrated load W at their crowns. The horizontal thrust at their supports will be in the ratio of None of these 2 : 1½ : 1 1 : 1 : 2 1 : 1½ : 2 None of these 2 : 1½ : 1 1 : 1 : 2 1 : 1½ : 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A masonry dam (density = 20,000 N/m³) 6 m high, one metre wide at the top and 4 m wide at the base, has vertical water face. The minimum stress at the base of the dam when the reservoir is full, will be 7500 N/m² 75 N/m² 750 N/m² 75000 N/m² 7500 N/m² 75 N/m² 750 N/m² 75000 N/m² ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The forces in the members of simple trusses, may be analysed by Method of joints Method of sections All of these Graphical method Method of joints Method of sections All of these Graphical method 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 = F – S Q = S × F Q = S + F Q = S – F Q = F – S Q = S × F Q = S + F Q = S – F ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A load of 1960 N is raised at the end of a steel wire. The minimum diameter of the wire so that stress in the wire does not exceed 100 N/mm² is: 5.0 mm 4.0 mm 5.5 mm 4.5 mm 5.0 mm 4.0 mm 5.5 mm 4.5 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The ratio of the length and depth of a simply supported rectangular beam which experiences maximum bending stress equal to tensile stress, due to same load at its mid span, is 1/4 1/2 1/3 2/3 1/4 1/2 1/3 2/3 ANSWER DOWNLOAD EXAMIANS APP