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

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Q. A 8 metre long simply supported rectangular beam which carries a distributed load 45 kg/m. experiences a maximum fibre stress 160 kg/cm². If the moment of inertia of the beam is 640 cm⁴, the overall depth of the beam is

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Q. Hooke's law states that stress and strain are

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Q. The phenomenon of slow growth of strain under a steady tensile stress, is called

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Q. The effect of arching a beam, is

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Q. The moment diagram for a cantilever carrying linearly varying load from zero at its free end and to maximum at the fixed end will be a

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Q. For a beam, if fundamental equations of statics are not sufficient to determine all the reactive forces at the supports, the structure is said to be

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Q. The intensity of direct longitudinal stress in the cross-section at any point distant r from the neutral axis, is proportional to

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Q. For the same height, the bottom width for no tension,

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Q. The areas of cross-section of a square beam and a circular beam subjected to equal bending moments, are same.

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Q. The moment diagram for a cantilever which is subjected to a uniformly distributed load will be a

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Q. When two plates butt together and are riveted with two cover plates with two rows of rivets, the joint is known as

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Q. The cross sections of the beams of equal length are a circle and a square whose permissible bending stress are same under same maximum bending. The ratio of their flexural weights is,

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Q. The slenderness ratio of a vertical column of square cross- section of 10 cm side and 500 cm long, is

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Q. If all the dimensions of a bar are increased in the proportion n : 1, the proportion with which the maximum stress produced in the prismatic bar by its own weight, will increase in the ratio

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Q. For a beam having fixed ends, the unknown element of the reactions, is

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Q. The value of Poisson's ratio always remains

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Q. If the length of a cantilever carrying an isolated load at its free end is doubled, the deflection of the free end will increase by

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Q. Strain energy of any member may be defined as work done on it

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Q. The stress necessary to initiate yielding, is considerably

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