Q. For columns whose slenderness ratio is upto 160, the secant formula for the determination of allowable stress, is

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Q. According to the Unwin's formula, if t is thickness of the plate in cm, the nominal diameter of the rivet, is

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Q. A single angle in tension is connected by one leg only. If the areas of connecting and outstanding legs are respectively a and b, net effective area of the angle, is

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Q. The central deflection of a simply supported steel beam of length L with a concentrated load W at the centre, is

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Q. If L is the overall length of a combined footing having A as its area, d being the distance between the centre of gravity of the base and centre of the base, the larger width b is

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Q. If fbt and fc are the co-existent bending tensile stress and shear stress in a member, the equivalent stress fc is

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Q. When a column is subjected to eccentric load having eccentricity ex, with respect to x-axis and eccentricity ey with respect to y-axis the column is subjected to moment in two directions and the equivalent axial load, is

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Q. The value of f.o.s 'm' in the formula for safe compressive stress for a column is taken as

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Q. If d is the diameter of column, D is the side of square base, W is total axial load and p is the allowable bending stress, the thickness (t) of the base plate, is

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Q. Rivets subjected to shear and an externally applied tensile force, should be so proportioned that

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Q. With usual notations of the letters, the shear stress fs at any point of the cross-section is given by

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Q. When the ratio of the moment M to axial load P is greater than L/6, the resultant of the compressive bearing pressure which acts at a distance Y from one side, is given by

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Q. Under a concentrated load, bearing stress fb in a beam, is given by (where b is the length of the bearing plate and h is the depth of the root of the fillet).

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Q. If R is the reaction on the bearing plate, the minimum moment of. inertia of the bearing stiffener provided at the support of a plate girder of overall depth D, the maximum thickness of the compression flange T, carrying total load W, is

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Q. If P is the allowable bending stress in a slab, whose greater and lesser projections from the column faces, are A and B, the thickness (t) of the slab base, is (where w is the intensity of earth pressure.)

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Q. A column is carrying an axial load W and an eccentric load P. If A is its cross-sectional area, ex and ey are the eccentricities and Pxx and Zyy the section modulli, the equivalent axial load is obtained from the formula,

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Q. For a column of height L fixed in position and direction both at its top and bottom, its effective length, is

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Q. Net sectional area of a tension member, is equal to its gross section area

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Q. The distance measured along one rivet line from the centre of a rivet to the centre of adjoining rivet on an adjacent parallel rivet line, is called

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Q. Tongue plates are provided in a steel girder at

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