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Environmental Engineering in CE

Environmental Engineering in CE
Exposure to chemicals having carcinogenic properties cause

Asphyxiation (suffocation)
Dermatitis (skin disorder)
Asthma
Cancer

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Environmental Engineering in CE
Threshold limit value (TLV) means maximum permissible/acceptable concentration. TLV of phosgene in air is about __________ ppm (parts per million).

1.2
0.2
4.8
0.002

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Environmental Engineering in CE
Which of the following pollutants is absent in the emissions from a fertiliser plant ?

NH₃
NO₂
SO₂ & SO₃
CO

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Environmental Engineering in CE
Sulphur dioxide present in the industrial chimney exhaust gases causes

All of these
Corrosion of building materials
Reduction in plant's productivity owing to acid rain
Respiratory & lung disease

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Environmental Engineering in CE
Insufficient washing of sand grains in a rapid sand filter causes

Air binding
Mud balls
Shrinkage of filtering media
Expansion of filtering media

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Environmental Engineering in CE
__________ can not control the noise pollution.

Vibration damping
Use of silencers
Green house gases
Tree plantation

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MORE MCQ ON Environmental Engineering in CE

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