Environmental Engineering in CE
Automobile exhaust is passed through two compartments catalytic converter employing platinum as catalyst for

Oxidation of unburnt hydrocarbon fuel in the second compartment
All of these
Conversion of CO into CO₂ in the second compartment
Conversion of NOx into N₂ and NH₃ in the first compartment

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Environmental Engineering in CE
Which of the following is not a practical method of low level radioactive waste disposal?

Filling in steel crates and shooting it off out of earth
Discharging to atmosphere through tall stacks after dilution
Dilution with inert material
Disposing off in rivers & oceans

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