Instructions

For the following questions answer them individually

Question 181

If the average bending stress is 6 kg/cm2

for M 150 grade concrete, the length of embedment of a bar of diameter d according to I.S. 456

specifications is

Question 182

A singly reinforced concrete beam of 25 cm width and 70 cm effective depth is

provided with 18.75 cm2

steel. If the modular ratio (m) is 15, the depth of

the neutral axis, is

Question 183

If the neutral axis of a T-beam is below the slab, the relationship between the

flange width B, depth of neutral axis n, thickness of the slab $$d_s$$, effective depth of the

beam d, gross area of tensile steel $$A_t$$ and the modular ratio m may be stated as

Question 186

In a combined footing if shear stress exceeds 5 kg⁄cm2, the nominal stirrups

provided are

Question 187

To ensure that the hogging bending moment at two points of suspension of a pile

of length L equals the sagging moment at its center, the distance of the

points of suspension from either end is

Question 188

To have pressure wholly compressive under the base of a retaining wall if width

b, the resultant of the weight of the wall and the pressure exerted by the

retained, earth should have eccentricity not more than

Question 189

The ratio of the length and diameter of a simply supported uniform circular beam

which experiences maximum bending stress equal to tensile stress due

to same load at its mid span is

Question 190

The ratio of the deflections of the free end of a cantilever due to an isolated load

at $$\frac{1}{3}^{rd}$$ and $$\frac{2}{3}^{rd}$$ of the span is