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Environmental Engineering in CE

Environmental Engineering in CE
Persons working in cement plants and limestone quarries are more prone to disease like

Cancer
Asthma
Flourosis (bone disease)
Silicosis

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Environmental Engineering in CE
When the concentration of SO₂ in air is greater than __________ ppm, it gives a pungent smell.

4
0.1
1
0.01

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Environmental Engineering in CE
Industrial workers working in leather tanning & manufacturing units are prone to suffer from

Silicosis
Skin diseases (e.g. dermatities)
Respirtory ailments (e.g. bronchitis)
Blurred vision

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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
The progressive warming up of the earth's surface is mainly due to the

Automobile exhaust
Thickening of ozone layer
Blanketing effect of CO₂ in the atmosphere
De-forestation

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Environmental Engineering in CE
Presence of volatile compounds like gasoline, oil, alcohol, ether etc. in municipal sewers may cause

Corrosion
Explosion
Undesirable plant growth
Non biodegradable foam

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