The specific retention is least in case of_______________?

Related Mcqs:

The expected discharge to be obtained from an open well sunk in coarse sand is 0.0059 cumec. If the working depression head of the well is 3 m, the minimum diameter of the well, is________________?

A. 2 m B. 2.25 m C. 2.50 m D. 2.75 m E. 3.00 m...

Disinfection of drinking water, is done to remove_________________?

A. odour B. bacterias C. turbidity D. colour...

The yield of a rapid gravity filter as compared to that of slow sand filter, is__________________?

A. 10 times B. 15 times C. 20 times D. 30 times E. 35 times...

Asbestos pipes are ______________?

A. light in weight and easy to transport B. highly resistant to corrosion C. high flexible to accommodate deflection upto 12° D. very much smooth and hydraulically efficient E. all the above...

By boiling water, hardness can be removed if it is due to_________________?

A. calcium sulphate B. magnesium sulphate C. calcium nitrate D. calcium bicarbonate E. none of these...