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Environmental Engineering in CE

Environmental Engineering in CE
Inhalation of silica dust causes a disease called

Pneumoconiosis
Silicosis
Bronchitis
None of these

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Environmental Engineering in CE
During which of the following operating conditions of an automobile, carbon monoxide content in the exhaust gas is maximum?

Cruising
Idle running
Acceleration
Deaccelaration

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Environmental Engineering in CE
High noise level in a chemical plant can be controlled by the

Path control of noise
All of these
Suppression of noise at the source itself
Protection of operating personnel

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Environmental Engineering in CE
World environment day is observed every year on the 5th of

June
July
September
December

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Environmental Engineering in CE
Direct reaction of unsaturated hydrocarbons with either NO or NO₂ produces an eye irritating pollutant compound known as

Poly acrylonitrile
Benzopyrene
Photochemical smog
Peroxy acetyl nitrate (PAN) or methyl nitrile

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Environmental Engineering in CE
A masonry structure built below ground level, where biochemical reaction takes place due to anaerobic bacteria is called

Skimming mill
Septic tank
Cesspool
Lagoon

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