1000+ Environmental Engineering Interview Questions and Answers - 1

Question: 1

Green house effect refers to increase in

(A) atmospheric pressure

(B) atmospheric temperature

(C) carbon monoxide

(D) greenery

Question: 2

Presence of nitrogen in a waste water sample is due to the decomposition of

(A) carbohydrates

(B) protein

(C) vitamins

(D) fats

Question: 3

Most commonly used coagulant for water treatment is

(A) alum

(B) bleaching powder

(C) chlrorine

(D) lime

Question: 4

Which of the following water compartments contains the greatest amount of fresh water?

(A) rivers and streams

(B) ice and snow

(C) oceans

(D) lakes and reservoirs

Question: 5

Which of the following is a trace element that is cycled through an ecosystem?

(A) iron

(B) nitrogen

(C) phosphorous

(D) hydrogen