A. 0 to 10
B. 10 to 18
C. 18 to 26
D. 26 to 34
0
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Irrigation water having the concentration of Na++ , Ca++ and Mg++ as 20, 3 and 1 Milli equivalent per litre respectively will be classified as__________________?
0
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The “outlet discharge factor” is the duty at the head of_________________?
A. low sodium water
B. medium sodium water
C. high sodium water
D. very high sodium water
0
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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. main canal
B. branch canal
C. watercourse
D. distributory
0
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The water utilizable by plants is available in soils mainly in the form 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
0
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With the increase in the quantity of water supplied, the yield of most crops_________________?
A. gravity water
B. capillary water
C. hydroscopic water
D. chemical water
0
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Infiltration rate is always________________?
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
0
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Infiltration capacity_________________?
A. more than the infiltration capacity
B. less than the infiltration capacity
C. equal to or less than the infiltration capacity
D. equal to or more than the infiltration capacity
0
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If the intensity of rainfall is more than the infiltration capacity of soil, then the infiltration rate will be______________?
A. is a constant factor
B. changes with time
C. changes with location
D. changes with both time and location
0
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Which of the following is a non-recording raingauge ?
A. equal to rate of rainfall
B. equal to infiltration capacity
C. more than rate of rainfall
D. more than infiltration capacity