To ensure uniform pressure distribution, the thickness of the foundation, is__________________?

A. Kept uniform throughout
B. Increased gradually towards the edge
C. Decreased gradually towards the edge
D. Kept zero at the edge

If is the net upward pressure on a square footing of side for a square column of side , the maximum bending moment is given by_________________?

A. B.m = pb (c – a)/4
B. m = pb (b – a)²/4
C. B.m = pb (b – a)²/8
D. B.m = pb (b + a)/8

A pre-stressed concrete member is preferred because___________________?

A. Its dimensions are not decided from the diagonal tensile stress
B. Large size of long beams carrying large shear force need not be adopted
C. Removal of cracks in the members due to shrinkage
D. All the above

Columns may be made of plain concrete if their unsupported lengths do not exceed their least lateral dimension_______________?

A. Two times
B. Three times
C. Four times
D. Five times

An R.C.C. beam of 6 m span is 30 cm wide and has a lever arm of 55 cm. If it carries a U.D.L. of 12 t per m and allowable shear stress is 5 kg/cm2, the beam________________?

A. Is safe in shear
B. Is safe with stirrups
C. Is safe with stirrups and inclined bars
D. Needs revision of section

The width of the flange of a L-beam, should be less than______________?

A. One- sixth of the effective span
B. Breadth of the rib + four times thickness of the slab
C. Breadth of the rib + half clear distance between ribs
D. Least of the above

A very comfortable type of stairs is_______________?

A. Straight
B. Dog legged
C. Geometrical
D. Open newel

For a ribbed slab______________?

A. Clear spacing between ribs shall not be greater than 4.5 cm
B. Width of the rib shall not be less than 7.5 cm
C. Overall depth of the slab shall not exceed four times the breadth of the rib
D. All the above

Minimum spacing between horizontal parallel reinforcement of the same size should not be less than________________?

A. One diameter
B. 2.5 diameters
C. 3 diameters
D. 3.5 diameters

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