1000+ Environmental Science and Engineering MCQ Questions - 1

Question: 1

Which one of the following causes cumulative poisoning by water?

(A) lead

(B) iron

(C) barium

(D) manganese

Question: 2

Meyer's and Rohwer's formula are used to determine.

(A) evaporation

(B) average rainfall over a basin

(C) transpiration

(D) precipitation

Question: 3

Colorimetric method of testing water is to determine

(A) turbidity

(B) hardness

(C) chlorides

(D) pH value

Question: 4

The most common and universal coagulant used in water works is

(A) magnesium sulphate

(B) calcium sulphate

(C) chlorine

(D) aluminium sulphate

Question: 5

Rainwater of the locality which flows in sewer is called

(A) subsoil water

(B) storm water

(C) combined sewage

(D) sullage