Q. When a bar of length l and diameter d is rigidly fixed at the upper end and hanging freely, then the total elongation produced in the bar due to its own weight is (where w = Weight per unit volume of the bar)

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Q. When a rectangular bar of length l, breadth b and thickness t is subjected to an axial pull of P, then linear strain (ε) is given by (where E = Modulus of elasticity)

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Q. When a body is subjected to bi-axial stress i.e. direct stresses (σx) and (σy) in two mutually perpendicular planes accompanied by a simple shear stress (τxy), then maximum normal stress is

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Q. According to Euler's column theory, the crippling load for a column length (l) hinged at both ends, is

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Q. The horizontal thrust offered by the retaining wall on the retained material is (where w = Specific weight of the retained material, h = height of retaining wall, and (φ) = Angle of repose of the retained earth)

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Q. In Mohr's circle, the centre of circle from Y-axis is taken as

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Q. The maximum deflection of a fixed beam of length l carrying a central point load W is

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Q. The relation between Young's modulus (E), shear modulus (C) and bulk modulus (K) is given by

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Q. The torque transmitted by a hollow shaft of outer diameter (D) and inner diameter (d) is

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Q. The maximum shear stress, in the given figure, is equal to __________ of the Mohr's circle.

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Q. A simply supported beam of length l carries a point load W at a point C as shown in the below figure. The maximum deflection lies at

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Q. When a body is subjected to direct tensile stresses (σx and σy ) in two mutually perpendicular directions, accompanied by a simple shear stress τxy , then in Mohr's circle method, the circle radius is taken as

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Q. In a leaf spring, the deflection at the centre is

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Q. In a stress-strain diagram for mild steel, as shown in the below figure, the point A represents

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Q. When the retained material is subjected to some superimposed or surcharged load, the total horizontal pressure due to surcharged load is (where p = Intensity of the supercharged load)

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Q. The relation between modulus of elasticity (E) and modulus of rigidity (C) is given by

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Q. When a body is subjected to a direct tensile stress (σx) in one plane accompanied by a simple shear stress (τxy ), the maximum normal stress is

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Q. The maximum bending moment for the beam shown in the below figure, is

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Q. When a body is subjected to a direct tensile stress (σx) in one plane accompanied by a simple shear stress (τxy), the maximum shear stress is

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Q. A rectangular beam subjected to a bending moment is shown in the below figure. The upper layer of the beam will be in tension.

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