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 30 N 35 N 25 N 40 N 30 N 35 N 25 N 40 N ANSWER DOWNLOAD EXAMIANS APP
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 ee²l/3d² e²l²/3d² el/2d el²/3d² ee²l/3d² e²l²/3d² el/2d el²/3d² 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 The ratio of maximum and average shear stresses on a rectangular section, is 1.25 2.5 1 1.5 1.25 2.5 1 1.5 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 100 N/mm 2 120 N/mm² 80 N/mm² 150 N/mm² 100 N/mm 2 120 N/mm² 80 N/mm² 150 N/mm² 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 1 : 1 : 2 2 : 1½ : 1 None of these 1 : 1½ : 2 1 : 1 : 2 2 : 1½ : 1 None of these ANSWER DOWNLOAD EXAMIANS APP
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