1000+ Environmental Science and Engineering MCQ Questions - 2

Question: 6

Which one of the following is not surface water?

(A) from natural spring

(B) from natural lakes

(C) from reservoir storage

(D) from river diversion

Question: 7

A dam constructed to store water during floods and release is gradually later is known as

(A) rigid dam

(B) detention dam

(C) diversion dam

(D) storage dam

Question: 8

Vertical wells provided along the banks of a riverbed to draw ground water in dry season are known as

(A) artesian wells

(B) infiltration wells

(C) tubewells

(D) open wells

Question: 9

Which one is not the effect of presence of iron oxide in water

(A) causes toxic effect

(B) increases hardness

(C) increases corrosiveness

(D) causes red color

Question: 10

Temporary hardness of water is due to the presence of

(A) nitrates

(B) sulphates

(C) carbonates

(D) chloride