Curve A is a 6-h unit hydrograph for a catchment basin and curve B is also a direct runoff hydrograph resulting due to a 6–h rainfall excess of 2.5 cm.
Choose the correct statement:1
Ordinates of curve A is 2.5 times the ordinates of curve B.
2
Ordinates of curve B is 2.5 times the ordinate of curve A.
3
Timebase for curve A is 2.5 times the time base for curve B.
4
Timebase for curve B is 2.5 times the time base for curve A.