Q. A steel bar 2 m long, 20 mm wide and 10 mm thick is subjected to a pull of 2 kN. If the same bar is subjected to a push of 2 kN, the Poission's ratio of the bar in tension will be __________ the Poisson's ratio for the bar in compression.

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Q. A square beam and a circular beam have the same length, same allowable stress and the same bending moment. The ratio of weights of the square beam to the circular beam is

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Q. A thin cylindrical shell of diameter (d), length (l) and thickness (t)is subjected to an internal pressure (p). The hoop stress in the shell is

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Q. When a body is subjected to a direct tensile stress (σ) in one plane, then tangential or shear stress on an oblique section of the body inclined at an angle θ to the normal of the section is

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Q. The maximum shear stress in a thin spherical shell subjected to an internal pressure (p) is zero.

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Q. The change in length due to a tensile or compressive force acting on a body is given by (where P = Tensile or compressive force acting on the body, l = Original length of the body, A = Cross-sectional area of the body, and E = Young's modulus for the material of the body)

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Q. The assumption, generally, made in the theory of simple bending is that

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Q. The shear force of a cantilever beam of length l carrying a uniformly distributed load of w per unit length is __________ at the fixed end.

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Q. Modular ratio of the two materials is the ratio of

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Q. The hoop stress in a thick cylindrical shell is maximum at the inner radius.

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Q. The bending moment at the free end of a cantilever beam is

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Q. If there is a fall in the temperature of a composite body, then a member having greater coefficient of linear expansion will be subjected to compressive stress.

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Q. A section of beam is said to be in pure bending, if it is subjected to

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Q. When a body is subjected to two equal and opposite forces, acting tangentially across the resisting section, as a result of which the body tends to shear off across the section, the stress and strain induced is

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Q. The perpendicular distance between the centre lines of the successive rows, is called pitch.

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Q. The values of equivalent length (L) and actual length (l) of a column for both ends hinged is the same

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Q. The actual neutral axis of a reinforced cement concrete beam is based on the principle that the moment of areas of compression and tension zones at the neutral axis are equal.

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Q. A cantilever beam is one which is

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Q. In the above question, the ratio of stiffness of spring 'B' to spring 'A' will be

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Q. The neutral axis of a transverse section of a beam passes through the centre of gravity of the section and is

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