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Environmental Engineering in CE

Environmental Engineering in CE
Reingleman chart No. 2 corresponds to __________ percent black smoke.

10
80
20
40

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Environmental Engineering in CE
Pick out the wrong statement pertaining to 'green house' for the plants.

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Environmental Engineering in CE
Which of the following fine dust removal equipments is the most efficient?

Cyclone separator
Electrostatic precipitator
Scrubber
Bag filter

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Environmental Engineering in CE
Hazardous/polluting chemical industries should have an 'exclusion zone' with a green belt and general public access prohibited around it, covering a radius of ____ metres.

4000
1000
100
400

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Environmental Engineering in CE
Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade passage through air. It can be reduced by use of a slower fan

Neither A nor B
Of increased diameter
Both A & B
With greater number of blades

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Environmental Engineering in CE
Algae growth in water is controlled by

Bleaching
Aeration
Chlorination
Deoxidation

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