Civil Engineering (CE) Exam > Civil Engineering (CE) Questions > A direct runoff hydrograph due to a storm was...
Start Learning for Free
A direct runoff hydrograph due to a storm was found to be triangular in shape with a peak of 150 m3/s time from the start of effective storm to the peak of 24 h and a total time base of 72 h. The duration of the storm in this case was
- a)< 24 h
- b)72 h
- c)> 72 h
- d)between 24 h and 72 h
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
A direct runoff hydrograph due to a storm was found to be triangular i...
Most Upvoted Answer
A direct runoff hydrograph due to a storm was found to be triangular i...
Given information:
- Direct runoff hydrograph due to a storm is triangular in shape.
- Peak flow rate = 150 m3/s.
- Time from the start of effective storm to the peak = 24 h.
- Total time base = 72 h.
To find: Duration of the storm.
Solution:
The direct runoff hydrograph is a graphical representation of the amount of runoff generated by a storm over time. The shape of the hydrograph depends on the characteristics of the storm, such as intensity, duration, and spatial distribution.
Triangular hydrograph:
- A triangular hydrograph is a type of hydrograph in which the rising limb and falling limb have the same slope, and the peak flow rate occurs at the midpoint.
- The time to peak (Tp) is the time from the start of the storm to the peak flow rate, which is given as 24 h.
- The time base (Tb) is the duration of the storm, which is the time from the start of the storm to the end of the runoff event, which is given as 72 h.
- The total volume of runoff (V) is the area under the hydrograph, which is equal to the area of the triangle, given by:
V = (1/2) x Peak flow rate x Time base
= (1/2) x 150 x 72
= 5400 m3
Duration of the storm:
- The duration of the storm is the time from the start of the storm to the end of the runoff event, which is equal to the time base.
- Therefore, the duration of the storm is 72 h.
- Option 'A' is the correct answer.
Note: If the hydrograph is not triangular, the duration of the storm cannot be determined solely from the peak flow rate and time to peak. Additional information, such as the shape of the hydrograph or the runoff volume, is required.
- Direct runoff hydrograph due to a storm is triangular in shape.
- Peak flow rate = 150 m3/s.
- Time from the start of effective storm to the peak = 24 h.
- Total time base = 72 h.
To find: Duration of the storm.
Solution:
The direct runoff hydrograph is a graphical representation of the amount of runoff generated by a storm over time. The shape of the hydrograph depends on the characteristics of the storm, such as intensity, duration, and spatial distribution.
Triangular hydrograph:
- A triangular hydrograph is a type of hydrograph in which the rising limb and falling limb have the same slope, and the peak flow rate occurs at the midpoint.
- The time to peak (Tp) is the time from the start of the storm to the peak flow rate, which is given as 24 h.
- The time base (Tb) is the duration of the storm, which is the time from the start of the storm to the end of the runoff event, which is given as 72 h.
- The total volume of runoff (V) is the area under the hydrograph, which is equal to the area of the triangle, given by:
V = (1/2) x Peak flow rate x Time base
= (1/2) x 150 x 72
= 5400 m3
Duration of the storm:
- The duration of the storm is the time from the start of the storm to the end of the runoff event, which is equal to the time base.
- Therefore, the duration of the storm is 72 h.
- Option 'A' is the correct answer.
Note: If the hydrograph is not triangular, the duration of the storm cannot be determined solely from the peak flow rate and time to peak. Additional information, such as the shape of the hydrograph or the runoff volume, is required.
Free Test
FREE
| Start Free Test |
Community Answer
A direct runoff hydrograph due to a storm was found to be triangular i...
D
|
Explore Courses for Civil Engineering (CE) exam
|
|
Similar Civil Engineering (CE) Doubts
Top Courses for Civil Engineering (CE)View all
Question Description
A direct runoff hydrograph due to a storm was found to be triangular in shape with a peak of 150 m3/s time from the start of effective storm to the peak of 24 h and a total time base of 72 h. The duration of the storm in this case wasa)< 24 hb)72 hc)> 72 hd)between 24 h and 72 hCorrect answer is option 'A'. Can you explain this answer? for Civil Engineering (CE) 2025 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about A direct runoff hydrograph due to a storm was found to be triangular in shape with a peak of 150 m3/s time from the start of effective storm to the peak of 24 h and a total time base of 72 h. The duration of the storm in this case wasa)< 24 hb)72 hc)> 72 hd)between 24 h and 72 hCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A direct runoff hydrograph due to a storm was found to be triangular in shape with a peak of 150 m3/s time from the start of effective storm to the peak of 24 h and a total time base of 72 h. The duration of the storm in this case wasa)< 24 hb)72 hc)> 72 hd)between 24 h and 72 hCorrect answer is option 'A'. Can you explain this answer?.
A direct runoff hydrograph due to a storm was found to be triangular in shape with a peak of 150 m3/s time from the start of effective storm to the peak of 24 h and a total time base of 72 h. The duration of the storm in this case wasa)< 24 hb)72 hc)> 72 hd)between 24 h and 72 hCorrect answer is option 'A'. Can you explain this answer? for Civil Engineering (CE) 2025 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about A direct runoff hydrograph due to a storm was found to be triangular in shape with a peak of 150 m3/s time from the start of effective storm to the peak of 24 h and a total time base of 72 h. The duration of the storm in this case wasa)< 24 hb)72 hc)> 72 hd)between 24 h and 72 hCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A direct runoff hydrograph due to a storm was found to be triangular in shape with a peak of 150 m3/s time from the start of effective storm to the peak of 24 h and a total time base of 72 h. The duration of the storm in this case wasa)< 24 hb)72 hc)> 72 hd)between 24 h and 72 hCorrect answer is option 'A'. Can you explain this answer?.
Solutions for A direct runoff hydrograph due to a storm was found to be triangular in shape with a peak of 150 m3/s time from the start of effective storm to the peak of 24 h and a total time base of 72 h. The duration of the storm in this case wasa)< 24 hb)72 hc)> 72 hd)between 24 h and 72 hCorrect answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for Civil Engineering (CE).
Download more important topics, notes, lectures and mock test series for Civil Engineering (CE) Exam by signing up for free.
Here you can find the meaning of A direct runoff hydrograph due to a storm was found to be triangular in shape with a peak of 150 m3/s time from the start of effective storm to the peak of 24 h and a total time base of 72 h. The duration of the storm in this case wasa)< 24 hb)72 hc)> 72 hd)between 24 h and 72 hCorrect answer is option 'A'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
A direct runoff hydrograph due to a storm was found to be triangular in shape with a peak of 150 m3/s time from the start of effective storm to the peak of 24 h and a total time base of 72 h. The duration of the storm in this case wasa)< 24 hb)72 hc)> 72 hd)between 24 h and 72 hCorrect answer is option 'A'. Can you explain this answer?, a detailed solution for A direct runoff hydrograph due to a storm was found to be triangular in shape with a peak of 150 m3/s time from the start of effective storm to the peak of 24 h and a total time base of 72 h. The duration of the storm in this case wasa)< 24 hb)72 hc)> 72 hd)between 24 h and 72 hCorrect answer is option 'A'. Can you explain this answer? has been provided alongside types of A direct runoff hydrograph due to a storm was found to be triangular in shape with a peak of 150 m3/s time from the start of effective storm to the peak of 24 h and a total time base of 72 h. The duration of the storm in this case wasa)< 24 hb)72 hc)> 72 hd)between 24 h and 72 hCorrect answer is option 'A'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice A direct runoff hydrograph due to a storm was found to be triangular in shape with a peak of 150 m3/s time from the start of effective storm to the peak of 24 h and a total time base of 72 h. The duration of the storm in this case wasa)< 24 hb)72 hc)> 72 hd)between 24 h and 72 hCorrect answer is option 'A'. Can you explain this answer? tests, examples and also practice Civil Engineering (CE) tests.
|
|
Explore Courses for Civil Engineering (CE) exam
|
|
Signup to solve all Doubts
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
|
Signup to see your scores
go up
within 7 days!
within 7 days!
Takes less than 10 seconds to signup