Civil Engineering MCQs

2965 MCQs  (Page 200 of 297)

Corrosion of well pipes may not be reduced by_________________?
A. Reducing the draw down and the pumping rate
B. Reducing the flow velocity
C. Using thicker pipes
D. Using screens having larger area of openings
Acidity in water is caused due to_______________?
A. mineral acids
B. free co2
C. iron sulphate
D. aluminium sulphate
Time of concentration________________?
A. Is the time taken, for precipitation
B. Duration of rainfall.
C. Time taken for all the ran off to reach the drain
D. Time taken for the storm water to travel from the most remote point to the drain
The rate of an item of work depends on_________________?
A. Specifications of works
B. Specifications of materials
C. Proportion of mortar
D. All the above