Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate?

Environmental Engineering in CE
Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate?

CFC (chloro fluoro carbons)

CO

SO₂

NOx

CFC (chloro fluoro carbons)

CO

SO₂

NOx

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
The function of skimming tank in sewage treatment is to remove __________ substances.

Gritty & inorganic

Dissolved solid

Oil & fatty

Suspended solid

Gritty & inorganic

Dissolved solid

Oil & fatty

Suspended solid

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
Noise level during normal conversation among men is about __________ decibles.

115

45

90

10

115

45

90

10

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
White smoke coming out of the chimney of a furnace indicates the use of

Very high excess air

Low excess air

Liquid fuel in the furnace

Gaseous fuel in the furnace

Very high excess air

Low excess air

Liquid fuel in the furnace

Gaseous fuel in the furnace

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
If the coli form bacteria is present in a sample of water, then the coli-form test to be conducted is(i) Presumptive coli-form test(ii) Confirmed coli-form test(iii) Completed coli-form test

Both (i) and (iii)

All (i), (ii) and (iii)

Only (i)

Both (i) and (ii)

Both (i) and (iii)

All (i), (ii) and (iii)

Only (i)

Both (i) and (ii)

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
Water filtration rate in a slow sand filter ranges from __________ litres/m²/hr.

4000 to 5000

1500 to 2500

10 to 20

100 to 200

4000 to 5000

1500 to 2500

10 to 20

100 to 200

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE

Environmental Engineering in CE Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate?

Environmental Engineering in CE The function of skimming tank in sewage treatment is to remove __________ substances.

Environmental Engineering in CE Noise level during normal conversation among men is about __________ decibles.

Environmental Engineering in CE White smoke coming out of the chimney of a furnace indicates the use of

Environmental Engineering in CE If the coli form bacteria is present in a sample of water, then the coli-form test to be conducted is(i) Presumptive coli-form test(ii) Confirmed coli-form test(iii) Completed coli-form test

Environmental Engineering in CE Water filtration rate in a slow sand filter ranges from __________ litres/m²/hr.

Environmental Engineering in CE
Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate?

Environmental Engineering in CE
The function of skimming tank in sewage treatment is to remove __________ substances.

Environmental Engineering in CE
Noise level during normal conversation among men is about __________ decibles.

Environmental Engineering in CE
White smoke coming out of the chimney of a furnace indicates the use of

Environmental Engineering in CE
If the coli form bacteria is present in a sample of water, then the coli-form test to be conducted is(i) Presumptive coli-form test(ii) Confirmed coli-form test(iii) Completed coli-form test

Environmental Engineering in CE
Water filtration rate in a slow sand filter ranges from __________ litres/m²/hr.