Q. The strain energy stored in a hollow circular shaft of outer diameter (D) and inner diameter (d) subjected to shear stress is

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Q. Fatigue test is carried out for

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Q. The section modulus (Z) of a beam is given by

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Q. Every direct stress is always accompanied by a strain in its own direction and an opposite kind of strain in every direction, at right angles to it. Such a strain is known as

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Q. The shear force of a cantilever beam of length l and carrying a gradually varying load from zero at the free end and w per unit length at the fixed end is __________ at the fixed end.

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Q. When a rectangular beam is loaded transversely, the maximum tensile stress is developed on the

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Q. The compressive strength of brittle materials is __________ its tensile strength.

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Q. In spring balances, the spring is used

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Q. According to Euler's column theory, the crippling load of a column is given by p = π2 EI/Cl2. In the Euler's formula, the value of C for a column with both ends fixed is 4.

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Q. The centre to centre distance, between two consecutive rivets in a row, is called

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Q. The buckling load for a given column depends upon

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Q. A continuous beam is one which is

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Q. When a body is subjected to two equal and opposite pulls, as a result of which the body tends to extend its length, the stress and strain induced is

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Q. The hoop stress in a riveted cylindrical shell of diameter (d), thickness (t) and subjected to an internal pressure (p) is (where η = Efficiency of the riveted joint)

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Q. The torsional rigidity of a shaft is expressed by the torque required to produce a twist of one radian per unit length of a shaft.

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Q. The stress developed in the material without any permanent set is called

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Q. For riveting, the size of hole drilled in plates is __________ shank diameter of rivet.

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Q. When a bar is subjected to a change of temperature and its deformation is prevented, the stress induced in the bar is

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Q. A shear stress across a plane, is always accompanied by a balancing shear stress across the plane and normal to it.

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Q. The bending moment diagram for a simply supported beam loaded in its centre is

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