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Environmental Engineering in CE

Environmental Engineering in CE
Exposure to chemicals having carcinogenic properties cause

Dermatitis (skin disorder)
Cancer
Asthma
Asphyxiation (suffocation)

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Environmental Engineering in CE
Which of the following dust collection equipments is the least efficient (for sub-micronic particles)?

Dust catcher (gravity type)
Hollow wet scrubber
Cyclone separator
Bag filter

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Environmental Engineering in CE
The biological decomposition of organic substances in wastes controlled conditions is called

Incineration
None of these
Biological oxidation
Composting

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Environmental Engineering in CE
Arsenic pollutant is not generated in____industries.

Any of these
Tanneries
Beverages
Glass & ceramic

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Environmental Engineering in CE
Operating principle of cyclone separator is based on the action of __________ dust particles.

Electrostatic force on
Centrifugal force on
Diffusion of
Gravitational force on

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Environmental Engineering in CE
Dose of chlorine for disinfection of water is about __________ mg/litre of water.

0.01
1
0.1
0.3

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