Civil Engineering - UPSC Civil Service Exam Questions

In a direct shear test the shear stress and normal stress on a dry sand sample at failure are 0.6 kg/cm² and 1 kg/cm² respectively. The angle of internal friction of the sand will be nearly

In the network given in figure, the maximum number of shovels and dumpers required are

Consider the following statements :
A good soil for making bricks should contain
1. about 30% alumina
2. about 10% lime nodules
3. a small quantity of iron oxides
4. about 15% magnesia.
Of these statements :

Service connection consists of

In the phase diagrams given, the change due to initial state changing into final state is shown due to consolidation. Depth of soil layer undergoing consolidation is H ; e₀ is initial void ratio; e_f is final void ratio ; Δ_e is change in void ratio. Indicate which of the following expressions gives settlement of the layer :