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Environmental Engineering in CE

Environmental Engineering in CE
Presence of __________ hardness is responsible for the temporary hardness in water.

Calcium
Carbonate
Choride
Sulphate

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Environmental Engineering in CE
The upper layer of atmosphere is called the

Stratosphere
None of these
Ionosphere
Troposphere

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Environmental Engineering in CE
Nitrogen oxides (NOx) is not produced in the __________ industry.

Detergent
Any of these
Nitric acid making
Nitrogenous fertiliser

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Environmental Engineering in CE
Presence of __________ in water stream are deleterious to aquatic life.

Heavy metals and cynides
Soluble and toxic organics
Suspended solids
All of these

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Environmental Engineering in CE
Hardy cross method of analysis of distribution system(i) Involves successive trials(ii) Takes economic aspects into account(iii) Is time consuming

(i) and (ii)
Only (i)
All are correct
(i) and (iii)

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Environmental Engineering in CE
Green house effect is accentuated by

All of these
Increased transportation activity
Deforestation
Rapid industrialisation

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