Residual chlorine in water is determined by________________?

Related Mcqs:

The depression of water table in a well due to pumping will be maximum_______________?

A. at a distance R from the well B. close to the well C. at a distance R/2 from the well D. none of the above where R is the radius of influence...

In water treatment, rapid gravity filters are adopted to remove_______________?

A. dissolved organic substances B. dissolved solids and dissolved gases C. floating solids and dissolved inorganic solids D. bacteria and colloidal solids...

Laying of sewers is usually done with the help of________________?

A. a theodolite B. a compass C. sight rails and boning rods D. a plane table...

When there is no recirculation of sewage, then recirculation factor is_______________?

A. 0 B. 1 C. infinity D. none of the above...

Which of the following compounds is widely used for algae control ?

A. sodium sulphate B. copper sulphate C. sodium chloride D. calcium chloride...