1.Section AB of a pipeline lies in th eyz plane and forms an angle of 37 degrees with the z axis. Branch lines CD and EF join AB as shown. Determine the angle formed by the pipes.
2.In an Oedometer test a specimen of saturated clay 19mm thick reaches 50% consolidation in 20 min. how long would it take a layer of this clay 5m thick to reach the same degree of consolidation under the same stress and drainage conditions? how long would it take the layer to reach 30% consolidation?