MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Disaster and Its types

The hydrologi...

Question

The hydrologic risk of a 100-year flood occurring during the 2-year service life of a project is

A

9.8%

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

9.9%

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

19.9%

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

1.99%

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D 1.99%
The risk is given by,
$R = 1 - {(1 - \frac{1}{T})}^{n} = 1 - {(1 - \frac{1}{100})}^{2}$
$= 0.0199 = 1.99 %$

Suggest Corrections

thumbs-up

5

Similar questions

Q. A culvert is designed for a flood magnitude of return period 100 years and has expected life of 20 years. The risk in this hydrologic design is

Q. A bridge has an expected life of 50 years and is designed for a flood magnitude of return period 100 years. What is the risk associated with this hydrologic design?

Q. A bridge has an expected life of 50 years and is designed for a flood magnitude of return period 100 years. The risk associated with this hydrologic design is _______ %. Also, the return period in design which would have reduced the risk to 25% will be _____ years.

Q. A flood having a return period of 50 years . The risk that this flood may occur in next 20 years will be ___________

Q. A hydraulic structure has an expected life of 20 years and is designed for a flood magnitude of return period 50 years. The risk of failure of the structure during its life is

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Disaster and Its Types

PHYSICS

Watch in App

explore_more_icon

Explore more

Disaster and Its types

Standard VI Physics

Join BYJU'S Learning Program

CrossIcon