Presence of carbon monoxide in atmosphere produced by decomposition of chlorophyl and haemoglobin breakdown of some animals, beyond TLV (>50 ppm)

Environmental Engineering in CE
Presence of carbon monoxide in atmosphere produced by decomposition of chlorophyl and haemoglobin breakdown of some animals, beyond TLV (>50 ppm)

Inhances the green house effect

Causes asphyxia

Acts as a green house gas thereby raising earth's temperature

Causes increase in sea level

Inhances the green house effect

Causes asphyxia

Acts as a green house gas thereby raising earth's temperature

Causes increase in sea level

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Environmental Engineering in CE
The amount of coagulant needed for coagulation of water increases with(i) Increase in turbidity of water(ii) Decrease in turbidity of water(iii) Increase in temperature of water(iv) Decrease in temperature of waterThe correct answer is

(i) and (ii)

(i)and(iv)

(ii) and (iv)

(ii) and (iii)

(i) and (ii)

(i)and(iv)

(ii) and (iv)

(ii) and (iii)

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Environmental Engineering in CE
__________ content of the phosphate rock is the pollutant of primary interest in a phos-phatic fertiliser plant.

Calcium

Fluorine

Sulphur

Phosphorous

Calcium

Fluorine

Sulphur

Phosphorous

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Environmental Engineering in CE
In water treatment, alum[Al2(SO₄)3] is used for the process of

Coagulation

Filtration

Sedimentation

Disinfection

Coagulation

Filtration

Sedimentation

Disinfection

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Environmental Engineering in CE
Coal mines drainage waste water (acidic in nature) results from the earth's water percolating through the voids created in coal bed during mining. This polluted water which either drains out naturally to water courses or are removed before starting the mining is

Diluted with fresh water to reduce its acidity

None of these

Left as such without any treatment

Neutralised by alkali treatment

Diluted with fresh water to reduce its acidity

None of these

Left as such without any treatment

Neutralised by alkali treatment

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Environmental Engineering in CE
Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur?

Thermosphere

None of these

Stratosphere

Troposphere

Thermosphere

None of these

Stratosphere

Troposphere

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Environmental Engineering in CE

Environmental Engineering in CE Presence of carbon monoxide in atmosphere produced by decomposition of chlorophyl and haemoglobin breakdown of some animals, beyond TLV (>50 ppm)

Environmental Engineering in CE The amount of coagulant needed for coagulation of water increases with(i) Increase in turbidity of water(ii) Decrease in turbidity of water(iii) Increase in temperature of water(iv) Decrease in temperature of waterThe correct answer is

Environmental Engineering in CE __________ content of the phosphate rock is the pollutant of primary interest in a phos-phatic fertiliser plant.

Environmental Engineering in CE In water treatment, alum[Al2(SO₄)3] is used for the process of

Environmental Engineering in CE Coal mines drainage waste water (acidic in nature) results from the earth's water percolating through the voids created in coal bed during mining. This polluted water which either drains out naturally to water courses or are removed before starting the mining is

Environmental Engineering in CE Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur?

Environmental Engineering in CE
Presence of carbon monoxide in atmosphere produced by decomposition of chlorophyl and haemoglobin breakdown of some animals, beyond TLV (>50 ppm)

Environmental Engineering in CE
The amount of coagulant needed for coagulation of water increases with(i) Increase in turbidity of water(ii) Decrease in turbidity of water(iii) Increase in temperature of water(iv) Decrease in temperature of waterThe correct answer is

Environmental Engineering in CE
__________ content of the phosphate rock is the pollutant of primary interest in a phos-phatic fertiliser plant.

Environmental Engineering in CE
In water treatment, alum[Al2(SO₄)3] is used for the process of

Environmental Engineering in CE
Coal mines drainage waste water (acidic in nature) results from the earth's water percolating through the voids created in coal bed during mining. This polluted water which either drains out naturally to water courses or are removed before starting the mining is

Environmental Engineering in CE
Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur?