For the following questions answer them individually
A retaining wall of trapezoidal section having base which ‘b’ retains earth at its back. For no tension to be developed at base, the resultant force will intersect the base from
centre line of the line, within a distance of
The initial setting time of Ordinary Portland Cement (OPC) is
The equivalent stiffness of two springs of stiffness $$S_{1} and S_{2}$$ joined in sereies is given by S =
Buckling load for an axially loaded column with both ends fixed is given by
Poisson’s ratio $$\mu$$ is defined as the ratio of
In a thin cylinder shell, the ratio of longitudinal stress to hoop stress is
The grade of concrete M 20 means that characteristic compressive strength of 15 cm cubes after 28 days is given by
You are asked to construct a massive concrete dam. The type of cement you will use is
Which of the following is added for quick setting of cement?