Q. The point of contraflexture occurs in

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Q. A member which is subjected to reversible tensile or compressive stress may fail at a stress lower than the ultimate stress of the material. This property of metal, is called

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Q. If the width b and depth d of a beam simply supported with a central load are interchanged, the deflection at the centre of the beam will be changed in the ratio of

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Q. The maximum stress intensity due to a suddenly applied load is x-times the stress intensity produced by the load of the same magnitude applied gradually. The value of x is

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Q. Strain energy of a member may be equated to

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Q. At either end of a plane frame, maximum number of possible bending moments, are

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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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