113.  If p is the net upward pressure on a square footing of side b for a square column of side a, the maximum bending moment is given by
A. B.M. - pb(c- a)
B. B.M. - pb(b - a)2
C.pb (b - a)2
D. B.M. pb(b + a)

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114.  If q is the punching shear resistance per unit area a, is the side of a square footing for a column of side b, carrying a weight W including the weight of the footing, the depth (D) of the footing from punching shear consideration, is
A. 30?
B. 45?
C. 60?
D. none of these

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115.  If the diameter oflongitudinal bars of a square column is 16 mm, the diameter of lateral ties should not be less than
A. 4 mm
B. 5 mm
C. 6 mm
D. 8 mm

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116.  If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is
A. square
B. rectangular
C. trapezoidal
D. triangular

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117. Based on punching shear consideration, the overall depth of a combined footing under a column A, is
A. Area of the column Ax Safe punching stress Load on column A
B. Perimeter of column A x Safe punching stress Load on column A + Upward pressure x Area of column
C. Perimeter of column Ax Safe punching stress Load on columnA + Upward pressure x Area of column
D. None of these.

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118.  In a combined footing for two columns carrying unequal loads, the maximum hogging bending moment occurs at
A. less loaded column
B. more loaded column
C. a point-equidistant from either column
D. a point of zero shear force.

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119. In a combined footing if shear stress does not exceed 5 kg/cm2, the nominal stirrups provided are
A. 6 legged
B. 8 legged
C. 10 legged
D. 12 legged

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