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7.

The kor depth for rice is 190 mm and kor period is 14 days. The outlet factor for this will be                        
A. 637 hectares/m3/sec B. 837 hectares/m3/sec
C. 972 hectares/m3/sec D. 1172 hectares/m3/sec



8.

For supplying water to rabi crop, kharif crop and sugarcane, the channel is designed for a capacity equal to the greater of the water requirement of                        
A. rabi or kharif B. rabi and kharif or sugarcane
C. rabi and sugarcane or kharif and sugarcane D. rabi or kharif or sugarcane



9.

The ratio of the quantity of water stored in the root zone of the crops to the quantity of water actually delivered in the field is known as                        
A. water conveyance efficiency B. water application efficiency
C. water use efficiency D. none of the above




10.

The water utilizable by plants is available in soils mainly in the form of                        
A. gravity water B. capillary water
C. hydroscopic water D. chemical water



11.

The amount of irrigation water required to meet the evapotranspiration needs of the crop during its full growth is called                        
A. effective rainfall B. consumptive use
C. consumptive irrigation requirement D. net irrigation requirement



12.

With the increase in the quantity of water supplied, the yield of most crops                        
A. increases continuously B. decreases continuously
C. increases upto a certain limit and then becomes constant D. increases upto a certain limit and then decreases



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