Q. In leaf springs, the maximum bending stress developed in the plates is (where W = Load acting on the spring, l = Span of the spring, n = Number of plates, b = Width of plates, and t = Thickness of plates)

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Q. The unit of stress in S.I. units is

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Q. The modulus of elasticity for mild steel is approximately equal to

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Q. The Rankine's formula holds good for

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Q. The strain energy stored in a body due to shear stress, is (where τ = Shear stress, C = Shear modulus, and V = Volume of the body)

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Q. In case of eccentrically loaded struts __________ is preferred.

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Q. In case of an over-reinforced beam, the depth of actual neutral axis is the same as that of the critical neutral axis.

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Q. The thickness of a thin cylindrical shell with hemispherical ends is __________ that of spherical ends.

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Q. The assumption made in Euler's column theory is that

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Q. The limit of eccentricity for no tensile conditions for a column of circular section of diameter (d) is

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Q. The bending moment at the ends of a simply supported beam will be zero.

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Q. A closely-coiled helical spring is cut into two halves. The stiffness of the resulting spring will be

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Q. When a material is loaded within elastic limit, the material will regain its shape and size when the load is removed.

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Q. The critical neutral axis of a reinforced cement concrete beam is based on the principle that the neutral axis is situated at the centre of gravity of a given section.

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Q. The bending stress in abeam is __________ bending moment.

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

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Q. The distance between the centres of rivets in adjacent rows of zig-zag riveted joint, is called back pitch.

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Q. In a watch, the spring is used to store strain energy. This energy is released

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Q. A flitched beam is used to

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Q. A closely-coiled helical spring of stiffness k is cut into (n) equal parts. The stiffness in each part of the spring will be

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