Environmental Engineering in CE
The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the

Troposphere
Ionosphere
None of these
Stratosphere

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP