Q. The principal stresses at a point are 100, 100 and-200 kgf/cm², the octo hedral shear stress at the point is :

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Q. During a tensile test on a ductile material

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Q. Rankine-Golden formula accounts for direct as well as buckling stress and is applicable to

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Q. Pick up the correct statement from the following :

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Q. The moment diagram for a cantilever carrying a concentrated load at its free end, will be

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Q. In a shaft rotated by a couple, the shear force varies

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Q. The section modulus of a rectangular light beam 25 metres long is 12.500 cm³. The beam is simply supported at its ends and carries a longitudinal axial tensile load of 10 tonnes in addition to a point load of 4 tonnes at the centre. The maximum stress in the bottom most fibre at the mid span section, is

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Q. The ratio of the maximum deflection of a cantilever beam with an isolated load at its free end and with a uniformly distributed load over its entire length, is

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Q. For a beam of uniform strength keeping its depth constant, the width will vary in proportion to

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Q. A shaft 9 m long is subjected to a torque 30 t-m at a point 3 m distant from either end. The reactive torque at the nearer end will be

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Q. The width b and depth d of a beam cut from a wooden cylindrical log of 100 cm diameter for maximum strength are :

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Q. If the stress produced by a prismatic bar is equal to the working stress, the area of the cross-section of the prismatic bar, becomes

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Q. For keeping the stress wholly compressive the load may be applied on a circular column anywhere within a concentric circle of diameter

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Q. A member is balanced at its end by two inclined members carrying equal forces. For equilibrium the angle between the inclined bars must be

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Q. To ascertain the maximum permissible eccentricity of loads on circular columns, the rule generally followed, is

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Q. If a steel rod of 20 mm diameter and 5 metres long elongates by 2.275 mm when subjected to an axial pull of 3000 kg, the stress developed, is

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Q. Shear force for a cantilever carrying a uniformly distributed load over its length, is

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Q. If the width of a simply supported beam carrying an isolated load at its centre is doubled, the deflection of the beam at the centre is changed by

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Q. For a stable frame structure, number of members required, is

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Q. When a rectangular beam is loaded transversely, the maximum compressive stress develops on

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