1
GATE CE 2007
MCQ (Single Correct Answer)
+2
-0.6
The magnetic bearing of a line AB is S 45° E and the declination is 5° west. The true bearing of the line AB is
A
S45° E
B
S40° E
C
S50° E
D
S50° W
2
GATE CE 2007
MCQ (Single Correct Answer)
+2
-0.6
The water content of a saturated soil and the specific gravity of soil solids were found to be 30% and 2.70, respectively. Assuming the unit weight of water to be 10 $$kN /m^3$$, the saturated unit weight ($$kN /m^3$$), and the void ratio of the soil are
A
19.4, 0.81
B
18.5, 0.30
C
19.4. 0.45
D
18.5, 0.45
3
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
4
GATE CE 2007
MCQ (Single Correct Answer)
+2
-0.6
The culturable command area for a distributary channel is 20,000 hectares. Wheat grown in the entire area and the intensity of irrigation is 50%. The kor period for wheat is 30 days and the kor water depth is 120mm. The outlet discharge for the distributary should be
A
2.85 $$m^3/s$$
B
3.21 $$m^3/s$$
C
4.63 $$m^3/s$$
D
5.23 $$m^3/s$$
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