If p1 and p2 are effective lateral loadings at the bottom and top exerted by a level earth subjected to a super-load on the vertical face of height h of a retaining wall, the horizontal pressure p per unit length of the wall, is
A. $$\frac{{{{\text{p}}_1} - {{\text{p}}_2}}}{2}{\text{h}}$$
B. $$\frac{{{{\text{p}}_1} + {{\text{p}}_2}}}{4}{\text{h}}$$
C. $$\frac{{{{\text{p}}_1} + {{\text{p}}_2}}}{2}{\text{h}}$$
D. $$\left( {{{\text{p}}_1} - {{\text{p}}_2}} \right)\frac{2}{3}{\text{h}}$$
Answer: Option C
Distribution of shear intensity over a rectangular section of a beam, follows:
A. A circular curve
B. A straight line
C. A parabolic curve
D. An elliptical curve
If the shear stress in a R.C.C. beam is
A. Equal or less than 5 kg/cm2, no shear reinforcement is provided
B. Greater than 4 kg/cm2, but less than 20 kg/cm2, shear reinforcement is provided
C. Greater than 20 kg/cm2, the size of the section is changed
D. All the above
In a pre-stressed member it is advisable to use
A. Low strength concrete only
B. High strength concrete only
C. Low strength concrete but high tensile steel
D. High strength concrete and high tensile steel
In a simply supported slab, alternate bars are curtailed at
A. $${\frac{1}{4}^{{\text{th}}}}$$ of the span
B. $${\frac{1}{5}^{{\text{th}}}}$$ of the span
C. $${\frac{1}{6}^{{\text{th}}}}$$ of the span
D. $${\frac{1}{7}^{{\text{th}}}}$$ of the span
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