1
GATE CE 2010
MCQ (Single Correct Answer)
+2
-0.6
The moisture holding capacity of the soil in a 100 hectare farm is 18 cm/m. the field is to be irrigated when 50 percent of the available moisture in the root zone is depleted. The irrigation water is to be supplied by a pump working for 10hours a day, and water application efficiency is 75%. Details of crops planned for cultivation are as follows:
Crop Root zone depth (m) Peak rate of moisture use(mm/day)
X 1.0 5.0
Y 0.8 4.0
The area of crop Y that can be irrigated when the available capacity of irrigation system is 40 liters/sec is
A
40 hectares
B
36 hectares
C
30 hectares
D
27 hectares
2
GATE CE 2009
MCQ (Single Correct Answer)
+2
-0.6
An agricultural land of 437ha is to be irrigated for a particular crop. The base period of the crop is 90 days and the total depth of water required by the crop is 105cm. If a rainfall of 15cm occurs during the base period, the duty of irrigation water is
A
437ha/cumec
B
486ha/cumec
C
741ha/cumec
D
864ha/cumec
3
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 $$m^3/s$$
4
GATE CE 2000
MCQ (Single Correct Answer)
+2
-0.6
A tube well having a capacity of 4 $$m^3 /hour$$ operates for 20 hours each day during the irrigation season. How much area can be commanded if the irrigation interval is 20 days and depth of irrigation is 7 cm?
A
$$1.71\times10^4\;m^2$$
B
$$1.14\times10^4\;m^2$$
C
$$22.9\times10^4\;m^2$$
D
$$2.29\times10^4\;m^2$$
GATE CE Subjects
Engineering Mechanics
Construction Material and Management
Geotechnical Engineering
Fluid Mechanics and Hydraulic Machines
Geomatics Engineering Or Surveying
Environmental Engineering
Transportation Engineering
General Aptitude
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
CBSE
Class 12