Q. In a member subjected to an axial tensile force and bending moment, the maximum allowable stress in axial tension is ft and the maximum allowable bending stress in tension is fht. If ft and fht are their corresponding actual axial tensile and bending stresses, the relationship which holds goods is

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Q. The equivalent axial load is obtained from the formula

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Q. If p and d are pitch and gross diameter of rivets, the efficiency (η) of the riveted joint, is given by

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Q. A long plate girder is subjected to a maximum bending moment M in which permitted allowable bending stress is fb. The economical depth de and the thickness of the web tw, is given by

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Q. In a grillage column footing maximum bending moment M occurs at the centre of grillage beams. Its value is (where P, L and a are axial load, length of the beam and length of the column base respectively).

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Q. If f is the maximum allowable bending stress in a tension member whose radius of gyration is r and depth is 2y, the required cross sectional area A is given by

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Q. For eccentrically loaded columns, the bending factor is

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Q. Number of rivets required in a joint, is

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Q. If d is the clear depth of a plate girder, t is the minimum required thickness of the web, C is the maximum clear distance between vertical stiffeners, the moment of inertia of a pair of stiffeners about the centre line of the web, is

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Q. In a built up beam actual bending compressive stress fbc is given by (when y1 is the distance of the edge of the beam from the neutral axis).

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Q. If a pair of angles placed back to back in tension are connected by one leg of each angle, the net effective area of the section, is

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Q. If M is the moment due to a couple in a bearing plate whose width is b and allowable bending stress is P, the thickness (t) of the bending plate of the column splice, is

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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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