IRRIGATION ENGINEERING - Practice Mode

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

Correct Answer: 1 cm of runoff from rainfall

2) What is the unit for measuring rainfall?

cm mm Feet No unit

Correct Answer: mm

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

Correct Answer: To raise water level

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

Fish lader Groynes Barrage Under sluices

Correct Answer: Under sluices

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

Maximum runoff Maximum percolation Wide opening Minimum runoff

Correct Answer: Maximum runoff

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