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A storm hydrograph was due to 3 h of effective rainfall. It contained 6 cm of direct runoff. The ordinates of DRH of this storm
- a)When divided by 3 give the ordinates of a 6-hunit hydrograph
- b)When divided by 6 give the oridinates of a 3-h unit hydrograph
- c)When divided by 3 give the ordinates of a 3-h unit hydrograph
- d)When divided by 6 give the ordinates of a 6-h unit hydrograph
Correct answer is option 'B'. Can you explain this answer?
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A storm hydrograph was due to 3 h of effective rainfall. It contained ...
Explanation:
To understand the given question, let's break it down into smaller parts and analyze each part separately.
Given Information:
- Effective rainfall duration: 3 hours
- Direct runoff: 6 cm
Now, let's go through each part of the question and understand what it means.
a) When divided by 3, give the ordinates of a 6-h unit hydrograph:
When we divide the direct runoff hydrograph (DRH) by 3, we are essentially trying to determine the unit hydrograph for a 6-hour duration storm event.
The unit hydrograph represents the direct runoff response to a unit depth of rainfall over a specific duration. In this case, the unit hydrograph represents the direct runoff response to a 1 cm depth of rainfall over a 6-hour duration.
So, when we divide the DRH by 3, we are essentially converting the 3-hour effective rainfall into a 6-hour unit hydrograph. This means that each ordinate of the resulting hydrograph represents the runoff response to a 1 cm depth of rainfall over a 6-hour duration.
b) When divided by 6, give the ordinates of a 3-h unit hydrograph:
Similarly, when we divide the DRH by 6, we are trying to determine the unit hydrograph for a 3-hour duration storm event.
So, each ordinate of the resulting hydrograph represents the runoff response to a 1 cm depth of rainfall over a 3-hour duration.
c) When divided by 3, give the ordinates of a 3-h unit hydrograph:
This option is incorrect because dividing the DRH by 3 would not give the ordinates of a 3-hour unit hydrograph. Dividing by 3 would result in a hydrograph representing the runoff response to a 1 cm depth of rainfall over a 1-hour duration.
d) When divided by 6, give the ordinates of a 6-h unit hydrograph:
This option is also incorrect because dividing the DRH by 6 would not give the ordinates of a 6-hour unit hydrograph. Dividing by 6 would result in a hydrograph representing the runoff response to a 1 cm depth of rainfall over a 0.5-hour (30 minutes) duration.
Therefore, the correct answer is option 'B' - When divided by 6, the ordinates of the DRH give the ordinates of a 3-hour unit hydrograph.
To understand the given question, let's break it down into smaller parts and analyze each part separately.
Given Information:
- Effective rainfall duration: 3 hours
- Direct runoff: 6 cm
Now, let's go through each part of the question and understand what it means.
a) When divided by 3, give the ordinates of a 6-h unit hydrograph:
When we divide the direct runoff hydrograph (DRH) by 3, we are essentially trying to determine the unit hydrograph for a 6-hour duration storm event.
The unit hydrograph represents the direct runoff response to a unit depth of rainfall over a specific duration. In this case, the unit hydrograph represents the direct runoff response to a 1 cm depth of rainfall over a 6-hour duration.
So, when we divide the DRH by 3, we are essentially converting the 3-hour effective rainfall into a 6-hour unit hydrograph. This means that each ordinate of the resulting hydrograph represents the runoff response to a 1 cm depth of rainfall over a 6-hour duration.
b) When divided by 6, give the ordinates of a 3-h unit hydrograph:
Similarly, when we divide the DRH by 6, we are trying to determine the unit hydrograph for a 3-hour duration storm event.
So, each ordinate of the resulting hydrograph represents the runoff response to a 1 cm depth of rainfall over a 3-hour duration.
c) When divided by 3, give the ordinates of a 3-h unit hydrograph:
This option is incorrect because dividing the DRH by 3 would not give the ordinates of a 3-hour unit hydrograph. Dividing by 3 would result in a hydrograph representing the runoff response to a 1 cm depth of rainfall over a 1-hour duration.
d) When divided by 6, give the ordinates of a 6-h unit hydrograph:
This option is also incorrect because dividing the DRH by 6 would not give the ordinates of a 6-hour unit hydrograph. Dividing by 6 would result in a hydrograph representing the runoff response to a 1 cm depth of rainfall over a 0.5-hour (30 minutes) duration.
Therefore, the correct answer is option 'B' - When divided by 6, the ordinates of the DRH give the ordinates of a 3-hour unit hydrograph.
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A storm hydrograph was due to 3 h of effective rainfall. It contained 6 cm of direct runoff. The ordinates of DRH of this storma)When divided by 3 give the ordinates of a 6-hunit hydrographb)When divided by 6 give the oridinates of a 3-h unit hydrographc)When divided by 3 give the ordinates of a 3-h unit hydrographd)When divided by 6 give the ordinates of a 6-h unit hydrographCorrect answer is option 'B'. Can you explain this answer?
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A storm hydrograph was due to 3 h of effective rainfall. It contained 6 cm of direct runoff. The ordinates of DRH of this storma)When divided by 3 give the ordinates of a 6-hunit hydrographb)When divided by 6 give the oridinates of a 3-h unit hydrographc)When divided by 3 give the ordinates of a 3-h unit hydrographd)When divided by 6 give the ordinates of a 6-h unit hydrographCorrect answer is option 'B'. Can you explain this answer? for Civil Engineering (CE) 2024 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 storm hydrograph was due to 3 h of effective rainfall. It contained 6 cm of direct runoff. The ordinates of DRH of this storma)When divided by 3 give the ordinates of a 6-hunit hydrographb)When divided by 6 give the oridinates of a 3-h unit hydrographc)When divided by 3 give the ordinates of a 3-h unit hydrographd)When divided by 6 give the ordinates of a 6-h unit hydrographCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A storm hydrograph was due to 3 h of effective rainfall. It contained 6 cm of direct runoff. The ordinates of DRH of this storma)When divided by 3 give the ordinates of a 6-hunit hydrographb)When divided by 6 give the oridinates of a 3-h unit hydrographc)When divided by 3 give the ordinates of a 3-h unit hydrographd)When divided by 6 give the ordinates of a 6-h unit hydrographCorrect answer is option 'B'. Can you explain this answer?.
A storm hydrograph was due to 3 h of effective rainfall. It contained 6 cm of direct runoff. The ordinates of DRH of this storma)When divided by 3 give the ordinates of a 6-hunit hydrographb)When divided by 6 give the oridinates of a 3-h unit hydrographc)When divided by 3 give the ordinates of a 3-h unit hydrographd)When divided by 6 give the ordinates of a 6-h unit hydrographCorrect answer is option 'B'. Can you explain this answer? for Civil Engineering (CE) 2024 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 storm hydrograph was due to 3 h of effective rainfall. It contained 6 cm of direct runoff. The ordinates of DRH of this storma)When divided by 3 give the ordinates of a 6-hunit hydrographb)When divided by 6 give the oridinates of a 3-h unit hydrographc)When divided by 3 give the ordinates of a 3-h unit hydrographd)When divided by 6 give the ordinates of a 6-h unit hydrographCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A storm hydrograph was due to 3 h of effective rainfall. It contained 6 cm of direct runoff. The ordinates of DRH of this storma)When divided by 3 give the ordinates of a 6-hunit hydrographb)When divided by 6 give the oridinates of a 3-h unit hydrographc)When divided by 3 give the ordinates of a 3-h unit hydrographd)When divided by 6 give the ordinates of a 6-h unit hydrographCorrect answer is option 'B'. Can you explain this answer?.
Solutions for A storm hydrograph was due to 3 h of effective rainfall. It contained 6 cm of direct runoff. The ordinates of DRH of this storma)When divided by 3 give the ordinates of a 6-hunit hydrographb)When divided by 6 give the oridinates of a 3-h unit hydrographc)When divided by 3 give the ordinates of a 3-h unit hydrographd)When divided by 6 give the ordinates of a 6-h unit hydrographCorrect answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for Civil Engineering (CE).
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A storm hydrograph was due to 3 h of effective rainfall. It contained 6 cm of direct runoff. The ordinates of DRH of this storma)When divided by 3 give the ordinates of a 6-hunit hydrographb)When divided by 6 give the oridinates of a 3-h unit hydrographc)When divided by 3 give the ordinates of a 3-h unit hydrographd)When divided by 6 give the ordinates of a 6-h unit hydrographCorrect answer is option 'B'. Can you explain this answer?, a detailed solution for A storm hydrograph was due to 3 h of effective rainfall. It contained 6 cm of direct runoff. The ordinates of DRH of this storma)When divided by 3 give the ordinates of a 6-hunit hydrographb)When divided by 6 give the oridinates of a 3-h unit hydrographc)When divided by 3 give the ordinates of a 3-h unit hydrographd)When divided by 6 give the ordinates of a 6-h unit hydrographCorrect answer is option 'B'. Can you explain this answer? has been provided alongside types of A storm hydrograph was due to 3 h of effective rainfall. It contained 6 cm of direct runoff. The ordinates of DRH of this storma)When divided by 3 give the ordinates of a 6-hunit hydrographb)When divided by 6 give the oridinates of a 3-h unit hydrographc)When divided by 3 give the ordinates of a 3-h unit hydrographd)When divided by 6 give the ordinates of a 6-h unit hydrographCorrect answer is option 'B'. Can you explain this answer? theory, EduRev gives you an
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