Q. The region of the cross-section of a column in which compressive load may be applied without producing any tensile stress, is known as the core of the cross-section. In circular columns the radius of the core, is

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Q. A beam is said to be of uniform strength, if

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Q. In a tension test, the yield stress is 300 kg/cm², in the octa hedral shear stress at the point is:

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Q. The maximum twisting moment a shaft can resist, is the product of the permissible shear stress and

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Q. For a simply supported beam with a central load, the bending moment is

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Q. For a given material Young's modulus is 200 GN/m² and modulus of rigidity is 80 GN/m². The value of Poisson's ratio is

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Q. The ratio of the moment of inertia of a circular plate and that of a square plate for equal depth, is

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Q. The ratio of elongations of a conical bar due to its own weight and that of a prismatic bar of the same length, is

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Q. A three-hinged arch is said to be :

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Q. The shape of the bending moment diagram over the length of a beam, having no external load, is always

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Q. Pick up the incorrect statement

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Q. Pick up the correct statement from the following :

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Q. The number of points of contraflexure in a simple supported beam carrying uniformly distributed load, is

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Q. The maximum bending moment due to a moving load on a simply supported beam, occurs

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Q. A three hinged parabolic arch hinged at the crown and springings, has a horizontal span of 4.8 m and a central rise of 1 m. It carries a uniformly distributed load of 0.75 tonne per metre over half left hand span. The horizontal thrust at the support will be

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Q. A cylinder is said to be thin if the ratio of its thickness and diameter, is less than

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Q. The shear force on a simply supported beam is proportional to

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Q. An arch with three hinges, is a structure

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Q. Stress in members of statically determinate simple frames, can be determined by

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Q. While testing a cast iron beam (2.5 cm x 2.5 cm) in section and a metre long simply supported at the ends failed when a 100 kg weight is applied at the centre. The maximum stress induced is :

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