2892Civil EngineeringMedium
The total capacity of a reservoir is 25 million cubic metres and dead storage is 5 million cubic metres. If the average volume of sediment deposition is 0.10 million cubic metre per year, then the usefulness of the reservoir will start reducing after________?
A150 years
B50 years
C200 years
D250 years
Correct answer
B. 50 years
Explanation
The correct answer is 50 years.