Curioustab

Home » Civil Engineering » Water Supply Engineering

Percussion drilling is unsuitable in

unconsolidated sand
unconsolidated gravel
quick sand
consolidated rocks.

Correct Answer: consolidated rocks.

← Previous Question Next Question→

More Questions from Water Supply Engineering

While determining the yield of open wells by the pumping test
The maximum hourly consumption, is generally taken as
A water channel supported above the ground over trestles, is generally called
If intensity of rainfall in cm per hour is I, percentage coefficient of run-off is P, area of catchment in square kilometres is A, the total run-off Q, is given by
The superimposed load transmitted to the pipe, is generally evaluated by Bousiness formula
If G is the specific gravity of particles of diameter d, the velocity of settlement V in still water at T°C, according to Stoke's law, is
The best quality of filter material is obtained from quartzite if it does not loose weight when placed in hydro-chloric acid for 24 hours, more than
The main disadvantage of hard water, is
Pick up the correct statement from the following :
If d is the diameter of the pipe, p is the total internal pressure, f is the permissible tensile stress and n is the effective of the joint, the thickness t of metal pipe, is

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion