IRRIGATION ENGINEERING - Quiz

1) When does hydrograph called as unit hydrograph?

1 cm of runoff from rainfall 3 cm of runoff from rainfall 1 mm of runoff from rainfall 3 mm of runoff from rainfall

2) What is the unit for measuring rainfall?

cm mm Feet No unit

3) Which is the main function of diversion head work of a canal?

To remove silt To control floods To store w To raise water level

4) Which is provided in the diversion headwork to scour away silt deposited?

Fish lader Groynes Barrage Under sluices

5) Which is the main factor for selection of site for a reservoir?

Maximum runoff Maximum percolation Wide opening Minimum runoff