Environmental Engineering In Ce – Page 3

Polyvinyl chloride containers are not suitable for storing

Inhalation of lead compounds present in automobile exhaust (using leaded petrol)

Inhalation of lead compounds present in automobile exhaust (using leaded petrol) causes

In the context of the chemical process industries, the term BOD is normally asso

In the context of the chemical process industries, the term BOD is normally associated with the

The average thickness of ozone layer in stratosphere is about __________ dobson

The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU).

Which of the following is not a weightless pollutant?

For existence of aquatic life in water, the dissolved oxygen content in it, shou

For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than __________ ppm.

Thermal pollution of water increases its toxicity and oxidation of oxygen demand

Thermal pollution of water increases its toxicity and oxidation of oxygen demanding waste besides favouring bacterial growth. A rise in water temperature by 10°C,…

__________ can not control the noise pollution.

Which of the following radioactive wastes emits all α, β & γ rays and hence i

Which of the following radioactive wastes emits all α, β & γ rays and hence is the most hazardous of all radioactive emitters?

Green house gases blanket/block the infrared radiation from earth’s surface to t

Green house gases blanket/block the infrared radiation from earth’s surface to the atmosphere leading to its progressive warming up. Which of the following gases…

The progressive warming up of the earth’s surface is mainly due to the

The effect of increase in carbon dioxide level of the atmosphere and its profoun

The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the