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

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Irrigation Engineering
As per Lacey’s theory, the silt factor is

not related to average particle size
directly proportional to square root of average particle size
directly proportional to average par¬ticle size
inversely proportional to average par¬ticle size

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Irrigation Engineering
Which one of the following statements is correct?

The canal system runs on ridges, gets divided into smaller channels and spreads its water on the land
The drainage system runs along the lowest line, collects drainage water from the slopes and joins the main stream
All listed here
The canal system and the drainage system are complementary

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