Engineering - Civil Enginnering

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1.

Which of the following methods of applying water may be used on rolling land ?                        
A. boarder flooding B. check flooding
C. furrow flooding D. free flooding



2.

The value of Sodium Absorption Ratio for high sodium water lies between                        
A. 0 to 10 B. 10 to 18
C. 18 to 26 D. 26 to 34



3.

Optimum depth of kor watering for rice is                        
A. 135 mm B. 165 mm
C. 190 mm D. 215 mm




4.

Irrigation water having the concentration of Na++ , Ca++ and Mg++ as 20, 3 and 1 Milli equivalent per litre respectively will be classified as                        
A. low sodium water B. medium sodium water
C. high sodium water D. very high sodium water



5.

The duty is largest                        
A. at the head of water course B. on the field
C. at the head of a main canal D. same at all places



6.

The "outlet discharge factor" is the duty at the head of                        
A. main canal B. branch canal
C. watercourse D. distributory



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