Q. No. 4 a) Summarize the applications and uses of unit hydrograph in engineering hydrology. b) A storm over catchment of area (last three digits of your registration #) km² has a duration of 14 hrs. if the 0 index for the catchment is 0.4 cm/hr, determine the effective rainfall hyetograph and the volume of direct runoff from the catchment due to the storm. The mass curve of rainfall of the storm is as below; Time from start of 2 4 8 10 12 14 storm, Hr Accumulated 0.6 2.8 5.2 6.7 7.5 9.2 9.6 rainfall, cm

Structural Analysis
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Q. No. 4
a) Summarize the applications and uses of unit hydrograph in engineering hydrology.
b) A storm over catchment of area (last three digits of your registration #) km² has a duration of
14 hrs. if the & index for the catchment is 0.4 cm/hr, determine the effective rainfall
hyetograph and the volume of direct runoff from the catchment due to the storm. The mass
curve of rainfall of the storm is as below;
Time
from
start
of
2
4
8
10
12
14
storm,
Hr
Accumulated
0.6
2.8
5.2
6.7
7.5
9.2
9.6
rainfall, cm
Transcribed Image Text:Q. No. 4 a) Summarize the applications and uses of unit hydrograph in engineering hydrology. b) A storm over catchment of area (last three digits of your registration #) km² has a duration of 14 hrs. if the & index for the catchment is 0.4 cm/hr, determine the effective rainfall hyetograph and the volume of direct runoff from the catchment due to the storm. The mass curve of rainfall of the storm is as below; Time from start of 2 4 8 10 12 14 storm, Hr Accumulated 0.6 2.8 5.2 6.7 7.5 9.2 9.6 rainfall, cm
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