Theory of Structures A steel rod 1 metre long having square cross section is pulled under a tensile load of 8 tonnes. The extension in the rod was 1 mm only. If Esteel = 2 × 106 kg/cm², the side of the rod, is 1.5 cm 2.5 cm 1 cm 2 cm 1.5 cm 2.5 cm 1 cm 2 cm ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A steel rod of sectional area 250 sq. mm connects two parallel walls 5 m apart. The nuts at the ends were tightened when the rod was heated to 100°C. If steel = 0.000012/C°, Esteel = 0.2 MN/mm², the tensile force developed at a temperature of 50°C, is 150 N/mm² 100 N/mm 2 80 N/mm² 120 N/mm² 150 N/mm² 100 N/mm 2 80 N/mm² 120 N/mm² ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Stress may be expressed in Newtons Per centimetre square (N/cm²) None of these Per metre square (N/m2) Per millimetre square (N/mm²) Per centimetre square (N/cm²) None of these Per metre square (N/m2) Per millimetre square (N/mm²) ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The maximum magnitude of shear stress due to shear force F on a rectangular section of area A at the neutral axis, is 3F/2A F/2A F/A 2F/3A 3F/2A F/2A F/A 2F/3A ANSWER DOWNLOAD EXAMIANS APP
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 1 : 1½ : 2 None of these 1 : 1 : 2 2 : 1½ : 1 1 : 1½ : 2 None of these 1 : 1 : 2 2 : 1½ : 1 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 1/2 1/8 1/3 1/4 1/2 1/8 1/3 1/4 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS