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Environmental Engineering in CE

Environmental Engineering in CE
Carcinogenic air pollutants cause

Cancer
Asphyxiation (suffocation)
Bone decay
Anemia

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Environmental Engineering in CE
Foul odour and bad taste of water is removed by treating with

Copper sulphate
Bleaching powder
Alum
Activated carbon

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Environmental Engineering in CE
Reinglemann chart is used for the measurement of the

Exhaust gas density
Flue gas temperature
Combustibles present in automobile exhaust
Smoke density from a chimey

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Environmental Engineering in CE
Which of the following gases is having the widest explosion limit (about 2 to 81% gas in gas-air mixture), rendering it the property of the most explosive gas?

Ammonia
Carbon monoxide
Acetylene
Hydrogen

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Environmental Engineering in CE
The widest explosive limit is of __________ , thereby making it the most explosive gas.

Carbon monoxide
Hydrogen
Acetylene
Petrol vapor

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Environmental Engineering in CE
The detrimental effect on organism and water quality with temperature rise of aquatic system is the reduction of __________ of water.

Dissolved oxygen content
Vapor pressure
All of these
Biological oxygen demand

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