Civil Engineering - UPSC Civil Service Exam Questions

The process by which a mass of saturated soil is caused by external forces to suddenly lose its shear strength and to behave as a fluid is called

In steady laminar flow of a liquid through a circular pipe of internal diameter D, carrying a constant discharge, the hydraulic gradient is inversely proportional to

A pipe line, 2000 m long, carries water. Velocity of propagation of pressure wave is 1000 m/s. If the valve at the low stream end is instantaneously closed at time, t = 0, negative water hammer pressure at the valve will last for

Consider the following statements related to triaxial test :
1. Failure occurs along pre-determined plane.
2. Intermediate and minor principal stresses are equal.
3. Volume changes can be measured.
4. Field conditions can be simulated.
Of these statements :

What is the magnitude of the force in the member BD in the figure given above ?