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Irrigation - Engineering

Q1:

Side slopes generally kept for canals in loam soil, are :

A
1 : 1 in cutting and : 1 in filling

B
: 1 in cutting and 2 : 1 in filling

C Neither (a) nor (b)

D Both (a) and (b)

ANS:D - Both (a) and (b)

Loam is soil composed mostly of sand (particle size > 63 μm), silt (particle size > 2 μm), and a smaller amount of clay (particle size < 2 μm) loam is preferred for both types of slope.