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 ee²l/3d² el/2d e²l²/3d² el²/3d² ee²l/3d² el/2d ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A truss containing j joints and m members, will be a simple truss if m = 2j – 3 j = 3m – 2 j = 2m – 3 m = 3j – 2 m = 2j – 3 j = 3m – 2 j = 2m – 3 m = 3j – 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A compound truss may be formed by connecting two simple rigid frames, by Three bars intersecting at a point Three bars Two bars three parallel bars Three bars intersecting at a point Three bars Two bars three parallel bars ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A lift of weight W is lifted by a rope with an acceleration f. If the area of cross-section of the rope is A, the stress in the rope is [W (1 + f/ G)]/ A (1 – g/f)/A [W (2 + f/G)]/A [W (2 + g/f)]/A [W (1 + f/ G)]/ A (1 – g/f)/A [W (2 + f/G)]/A [W (2 + g/f)]/A 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: 4.125 cm² 1.125 cm³ 3.125 cm³ 2.125 cm³ 4.125 cm² 1.125 cm³ 3.125 cm³ 2.125 cm³ ANSWER DOWNLOAD EXAMIANS APP
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 35 N 40 N 25 N 30 N 35 N 40 N 25 N 30 N ANSWER DOWNLOAD EXAMIANS APP