JKSSB JE CIVIL PREVIOUS PAPERS
JAL SHAKTI
05 DEC 2022 (SHIFT-II)
(IRRIGATION ENGINEERING)
Q.NO.10. Which of the following options best define water conveyance efficiency?
A. The ratio of the quantity of water delivered to the field and quantity of water pumped into the canal
B. The ratio of water stored in the root zone and the water delivered to the field
C. The ratio of water used beneficially and the water delivered to the field
D. The ratio of water stored in the root zone and the water needed before irrigation
Ans A
Q.NO.11. which of the following are the devices used for changing the water level in a canal or a river for navigation.
A. Liquid gate
B. Canal gate
C. Lock gates
D. River gate
Ans. C
Q.NO.12. Which of the following type of canal is well traded and is provided with permanent regulation and distribution works?
A. Inundation canals
B. Permanent canals
C. Alluvial canals
D. Navigation canals
Ans. B
Q.NO.13. What is the unit of rate of rainfall?
A. Kilometres
B. Centimetres
C. Millimetres
D. Meters
Ans. C
Q.NO.14. The total area of longitudinal bars in a column section must not be less than………. of the gross column area.
A. 0.4%
B. 0.5%
C. 0.8%
D. 1.0%
Ans. C
Q.NO.15. Which type of irrigation system is based merely on navigation?
A. Flow irrigation
B. Direct irrigation
C. Lift irrigation
D. Storage irrigation
Ans. A
Q.NO.16. What is the time period between two consecutive watering called?
A. Rotation period
B. Kor period
C. Crop period
D. Base period
Ans. A
Q.NO.17. According to Kennedy the silting action in channel is due to?
A. Type of flow in the channel
B. Slope of the bed
C. Area of channel
D. Generation of eddies
Ans. D
Q.NO.18. The most essential soil moisture for plant growth is ………………...
A. Capillary water
B. Hygroscopic water
C. Gravitational water
D. Permanent wilting point
Ans. A