1000+ Environmental Engineering Questions and Answers Pdf - 2

Question: 6

High lead exposures in human beings either through air inhalation or food ingestion does not cause

(A) cancer

(B) mental retardation

(C) disorder of central nervous system

(D) high blood pressure

Question: 7

Which of the following is not an air pollutant?

(A) carcinogens

(B) pesticides

(C) metallic powders

(D) ozone

Question: 8

_____ plant emits large amount of SO₂ as an air pollutant.

(A) chloralkali

(B) nitric acid

(C) sulphuric acid

(D) iron and steel

Question: 9

Which of the following is the most major constituents of air pollutants?

(A) hydrogen sulphide

(B) carbon monoxide

(C) oxides of nitrogen

(D) oxides of sulphur

Question: 10

White smoke coming out of the chimney of a furnace indicates the use of

(A) liquid fuel in the furnace

(B) gaseous fuel in the furnace

(C) very high excess air

(D) low excess air