1
GATE CE 2007
MCQ (Single Correct Answer)
+1
-0.3
The consumptive use of water for a crop during a particular stage of growth is 2.0mm / day. The maximum depth of available water is the root zone is 60mm. Irrigation is required when the amount of available water is 50% of the maximum available water in the root zone. Frequency of irrigation should be
A
10 days
B
15 days
C
20 days
D
25 days
2
GATE CE 2004
MCQ (Single Correct Answer)
+1
-0.3
A sprinkler irrigation system is suitable when
A
a land gradient is steep and the soil is easily erodable
B
the soil is having low permeability
C
the water table is low
D
the crops to be grown have deep roots
3
GATE CE 2000
MCQ (Single Correct Answer)
+1
-0.3
If duty (D) is 1428 hectares/cumec and base period (B) is 120 days for an irrigated crop, then delta ($$\Delta$$) in meters is given by
A
102.8
B
0.73
C
1.38
D
0.01
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