### MCQs of Hyetograph and Hydrograph analysis

Showing 11 to 19 out of 19 Questions
11.

A watershed is in the form of a sector of a circle of radius 300 metres and angle 60 degree. A 6h storm with rainfall excess of 6 cm, produces a surface runoff hydrograph with linear rising and recession segments, having a base equal to eight times the duration. The peak of the surface runoff hydrograph is __________ cumecs.

 (a) 0.03 (b) 0.02 (c) 0.01 (d) 0.09
12.

Unit Hydrograph theory was enunciated by

 (a) Merril Bernard (b) Le-Roy K. Shermen (c) Robert E. Horten (d) W.W. Horner
13.

Pick up the correct equation from the following

 (a) Run off = Surface run off + Ground water flow (b) Run off = Surface run off - Ground water flow (c) Run off = Surface run off / Ground water flow (d) Run off = Surface run off × Ground water flow
14.

The surface Run-off is the quantity of water

 (a) absorbed by soil (b) intercepted by buildings and vegetative cover (c) equired to fill surface depressions (d) that reaches the stream channels
15.

Hydrograph is a graphical representation of

 (a) Surface runoff (b) Ground water flow (c) rainfall (d) Discharge flowing in the river
16.

The surface run off is due to

 (a) initial rain (b) residual rain (c) rain in the net supply interval (d) all the above.
17.

The best unit duration of storm for a unit hydrograph is

 (a) 1 hour (b) one - fourth of basin lag (c) one - half of basin lag (d) equal to basin lag
18.

The unit hydrograph due to a storm may be obtained by dividing the ordinates of the direct runoff hydrograph by

 (a) direct runoff volume (b) Period of strom (c) total rainfall (d) none of above
19.

The surface Run-off is the quantity of water

 (a) Absorbed by soil (b) Intercepted by buildings and vegetative cover (c) Required to fill surface depressions (d) That reaches the stream channels
Showing 11 to 19 out of 19 Questions