Rcc Structures Design - Study Mode
[#131] If the maximum bending moment of a simply supported slab is M Kg.cm, the effective depth of the slab is (where Q is M.R. factor)
Correct Answer
(D) $$sqrt {frac{{ ext{M}}}{{100{ ext{Q}}}}} $$
[#132] If jd is the lever arm and $$sum { ext{O}} $$ xa0is the total perimeter of reinforcement of an R.C.C. beam, the bond stress at the section having Q shear force, is
Correct Answer
(C) $$frac{{ ext{Q}}}{{{ ext{jd}}sum { ext{O}} }}$$
[#133] The minimum head room over a stair must be
Correct Answer
(C) 210 cm
[#134] For stairs spanning $$l$$ meters longitudinally between supports at the bottom and top of a flight carrying a load w per unit horizontal area, the maximum bending moment per metre width, is
Correct Answer
$$frac{{{ ext{w}}{l^2}}}{4}$$
[#135] If the diameter of the main reinforcement in a slab is 16 mm, the concrete cover to main bars is
Correct Answer
(D) 16 mm