Pick up the incorrect statement from the following A bank in the cross-section o

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Question
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.

Correct Answer

A bank in the cross-section of a canal is provided on the left

Irrigation problems

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3. For designing the venturi head,
Options
A. width of the throat should not be less than one-third of the bed width of main canal
B. width of the throat should not be less than the width obtained from the formula B = Q / 1.2d^3/2, where d is the difference in levels of F.S.L. and sill
C. minimum throat width should not be less than 60 cm
D. length of the throat should be 2.5 times the depth measured to F.S.L. in the main canal
E. all the above.

4. If L is total length of a canal in kilometres, P is total perimeter of its lining in metres and C is the cost of lining per square metre, the additional expenditure involved on lining, is
Options
A. 1000 PLC
B.
C.
D.

5. Borrow pits should preferably be located in
Options
A. field on the left side of the canal
B. field on the right side of the canal
C. fields on both sides of the canal
D. central half width of the section of the canal.

6. 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

7. 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

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