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Draughtsman Civil
Draughtsman Civil Set-1
Irrigation Engineering
21

Irrigation Engineering MCQ with Answers

21) 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

Answer is:

1 cm of runoff from rainfall

Irrigation Engineering MCQ with Answers

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Related Irrigation Engineering MCQ with Answers

22) What is the unit for measuring rainfall?

cm

mm

Feet

No unit

Answer is:

mm

23) 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

Answer is:

To raise water level

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

Fish lader

Groynes

Barrage

Under sluices

Answer is:

Under sluices

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

Maximum runoff

Maximum percolation

Wide opening

Minimum runoff

Answer is:

Maximum runoff

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