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Environmental Engineering in CE

Environmental Engineering in CE
Green house effect is accentuated by

Deforestation
All of these
Increased transportation activity
Rapid industrialisation

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Environmental Engineering in CE
Out of the following, TLV of __________ is maximum (about 500 ppm).

Acetaldehyde
Toluene
Carbon disulphide
Carbon dioxide

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Environmental Engineering in CE
Particles having diameter greater than 75 μm (micrometer = 10-6 mm) are called

Smoke
Powder
Grit
Dust

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Environmental Engineering in CE
Ozone is

Impervious to ultra-violet rays
A primary pollutant
A secondary pollutant
Both B & C

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Environmental Engineering in CE
In the context of the chemical process industries, the term BOD is normally associated with the

Characterisation of boiler feed water
Organic concentration in gaseous effluents
Characterisation of liquid effluents
Characterisation of solid wastes

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Environmental Engineering in CE
Pollution by particulate matter emission in the atmosphere does not take place during metal

Machining
Cutting
Polishing
Grinding

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