ENVIRONMENTAL ENGINEERING IN CE QUIZ

Which of the following pollutants, if present in atmosphere is detectable by its odour?

CO

SO₂

CO₂

NO₂

TRUE ANSWER : ?
YOUR ANSWER : ?

World's worst radioactive pollution was caused by nuclear reactor disaster which occured in

Chernobyl (undivided U.S.S.R.)

Pensylvania (U.S.A.)

Moscow (U.S.S.R.)

Arizona (U.S.A.)

TRUE ANSWER : ?
YOUR ANSWER : ?

Presence of dissolved impurities of __________ is responsible for the red brownish color of water.

Arsenic

Bi-carbonates

Iron & manganese

Carbonates

TRUE ANSWER : ?
YOUR ANSWER : ?

Presence of nitrates in water in excess of 50 ppm causes

Tooth decay

Mathenoglobenemia

Gastroentetitis

Asphyxiation

TRUE ANSWER : ?
YOUR ANSWER : ?

Higher concentration of CO₂ in atmosphere

All of these

Prevents solar heat being radiated out completely, resulting in

Reflects and absorbs the longer wavelength (infra-red) radiations

Allows visible solar radiation (ultraviolet) of short wave-length to pass through

TRUE ANSWER : ?
YOUR ANSWER : ?

Insufficient washing of sand grains in a rapid sand filter causes

Shrinkage of filtering media

Air binding

Mud balls

Expansion of filtering media

TRUE ANSWER : ?
YOUR ANSWER : ?

Inhalation of silica dust causes a disease called

Silicosis

None of these

Pneumoconiosis

Bronchitis

TRUE ANSWER : ?
YOUR ANSWER : ?

Salt content in sea water is about __________ percent.

1

0.5

3.5

10

TRUE ANSWER : ?
YOUR ANSWER : ?

A 'body' which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the

Global warming

Green house

Atmospheric effect

Ionosphere

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ can not control the noise pollution.

Use of silencers

Green house gases

Tree plantation

Vibration damping

TRUE ANSWER : ?
YOUR ANSWER : ?