Environmental Engineering in CE
What are the methods of treatment & disposal of radioactive wastes?

Evaporation & chemical precipitation
Fixing into a solid mass with cement and sinking deep in the sea
All of these
Biological methods & adsorption in ion exchange materials

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Environmental Engineering in CE
On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because

It forms carboxyhaemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen
Of clotting of blood
Of jamming of respiratory tract
It forms CO₂ by combining with oxygen present in the blood

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