The crest level of a canal diversion head work, depends upon F.S.L. of the canal

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Question
The crest level of a canal diversion head work, depends upon
Options
A. F.S.L. of the canal
B. discharge perimeters
C. pond level
D. all the above
E. none these.

Correct Answer

all the above

Irrigation problems

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1. Pick up the correct statement from the following
Options
A. Approach of the water line in a flumed channel section should not be steeper than
B. Departure of the water line from a flumed channel section should not be steeper than 30�
C. Approach of the water line should not be steeper than 30� and departure line not steeper than in a flumed channel section
D. Approach and departure of the water line in a flumed channel section, should not be steeper than

2. The saturation line is the line up to which banks get saturated after the canal runs for some time. The saturation gradient in ordinary loam soil, is generally
Options
A. 2 : 1
B. 3 : 1
C. 4 : 1
D. 5 : 1
E. 6 : 1

3. Pick up the incorrect statement from the following
Options
A. A bank in the cross-section of a canal is provided on the right
B. A bank in the cross-section of a canal is provided on the left
C. A 'dowla' in the cross-section of a canal is provided on the left
D. None of these.

8. The measure to remove water logging of land, is
Options
A. to reduce percolation from canals and water courses
B. to increase outflow from the ground water reservoir
C. both (a) and (b)
D. neither (a) nor (b)

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