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Irrigation Engineering

Irrigation Engineering
A 6 hours storm had 4 cm of rainfall and the resulting runoff was 2 cm. If<="" div="">

7.5 cm
4.5 cm
6.0 cm
9.0 cm

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Irrigation Engineering
Cyclonic precipitation is caused by lifting of an air mass due to

pressure difference
temperature difference
All of these
natural topographical barriers

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Irrigation Engineering
Irrigation canals are generally aligned along

Straight line
Valley line
Contour line
Ridge line

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Irrigation Engineering
The discharge passing over an ogee spillway is given by (where, L is effective length of spillway crest and H is the total head over the spillway crest including velocity head.)

CLH1/2
CHL3/2
CLH5/2
CLH3/2

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Irrigation Engineering
A river bend characterized by silting

scouring on concave side and silting on convex side
silting on convex side
scouring on concave side
scouring on convex side and on concave side

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Irrigation Engineering
The uplift pressure on a dam can be controlled by
i) constructing cutoff under upstream face
ii) constructing drainage channels between the dam and its foundation
iii) by pressure grouting in foundation
The corret answer is

both (i) and (ii)
(i), (ii) and (iii)
both (i) and (iii)
only (i)

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