Q. Which of the following statement is correct?

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Q. When a bar of length l, width b and thickness t is subjected to a push of P, its

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Q. If the magnitude of direct stress and bending stress is equal, then there will be zero stress at one of the extreme ends of a column.

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Q. When a thin cvlindrical shell is subjected to an internal pressure, the volumetric strain is (where ε1 = Hoop strain, and ε2 = Longitudinal strain)

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Q. In a riveted joint, when the rivets in.the adjacent rows are staggered in such a way that every rivet is in the middle of the two rivets of the opposite row, the joint is said to be diamond riveted.

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Q. In a simple bending theory, one of the assumption is that the plane sections before bending remain plane after bending. This assumption means that

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Q. A uniformly distributed load may be assumed to behave like a point load at the centre of gravity of the load for all sorts of calculations.

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Q. The shear force in the centre of a simply supported beam carrying a uniformly distributed load of w per unit length, is

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Q. When a change in length takes place, the strain is known as

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Q. The maximum bending moment of a simply supported beam with central point load lies at the point of loading.

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Q. When the shear force diagram between any two points is an inclined straight line, it indicates that there is a uniformly varying load between the two points.

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Q. A pressure vessel is said to be a thick shell, when

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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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