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MCQs 1: The value of Sodium Absorption Ratio for high sodium water lies between________________?

0 to 10 10 to 18 18 to 26 26 to 34
Answer Explanation

MCQs 2: Irrigation water having the concentration of Na++ , Ca++ and Mg++ as 20, 3 and 1 Milli equivalent per litre respectively will be classified as__________________?

low sodium water medium sodium water high sodium water very high sodium water
Answer Explanation

MCQs 3: The “outlet discharge factor” is the duty at the head of_________________?

main canal branch canal watercourse distributory
Answer Explanation

MCQs 4: 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_______________?

rabi or kharif rabi and kharif or sugarcane rabi and sugarcane or kharif and sugarcane rabi or kharif or sugarcane
Answer Explanation

MCQs 5: The water utilizable by plants is available in soils mainly in the form of________________?

gravity water capillary water hydroscopic water chemical water
Answer Explanation

MCQs 6: With the increase in the quantity of water supplied, the yield of most crops_________________?

increases continuously decreases continuously increases upto a certain limit and then becomes constant increases upto a certain limit and then decreases
Answer Explanation

MCQs 7: Infiltration rate is always________________?

more than the infiltration capacity less than the infiltration capacity equal to or less than the infiltration capacity equal to or more than the infiltration capacity
Answer Explanation

MCQs 8: Infiltration capacity_________________?

is a constant factor changes with time changes with location changes with both time and location
Answer Explanation

MCQs 9: If the intensity of rainfall is more than the infiltration capacity of soil, then the infiltration rate will be______________?

equal to rate of rainfall equal to infiltration capacity more than rate of rainfall more than infiltration capacity
Answer Explanation

MCQs 10: Which of the following is a non-recording raingauge ?

tipping bucket type raingauge Simon’s raingauge Steven’s weighing type raingauge floating type raingauge
Answer Explanation

MCQs 11: Which of the following types of rain gauges is used for measuring rain in remote hilly inaccessible areas ?

tipping bucket type weighing type floating type Simon’s raingauge
Answer Explanation

MCQs 12: A 70% index of wetness means_______________?

rain excess of 30% rain deficiency of 30% rain deficiency of 70% none of the above
Answer Explanation

MCQs 13: Assertion A : To estimate the rainfall over a catchment, the number of raingauges required per unit area is large for hilly areas. Reason R : Rainfall gradient is steep. Select your correct answer according to the coding system given below ?

Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true
Answer Explanation

MCQs 14: Unit of runoff in M.K.S. system is________________?

cubic metre/sec metre/sec cubic metre square metre
Answer Explanation

MCQs 15: The area between the isohyets 45 cm and 55 cm is 100 square km and between 55 cm and 65 cm is 150 square km. The average depth of annua! precipitation over the above basin of 250 square km will be__________________?

50 cm 55 cm 56 cm 60 cm
Answer Explanation

MCQs 16: If it rains between 2 P.M. and 3 P.M. and the entire basin area just starts contributing water at 3 P.M. to the outlet, then time of concentration will be_____________________?

15 minutes 20 minutes 30 minutes 60 minutes
Answer Explanation

MCQs 17: The normal annual precipitation at stations X, A, B and C are 700 mm, 1000 mm, 900 mm and 800 mm respectively. If the storm precipitation at three station A, B and C were 100 mm, 90 mm and 80 mm respectively, then the storm precipitation for station X will be___________________?

70mm 80mm 90 mm 105 mm
Answer Explanation

MCQs 18: The unit hydrograph due to a storm may be obtained by dividing the ordinates of the direct runoff hydrograph by_______________?

direct runoff volume period of storm total rainfall none of the above
Answer Explanation

MCQs 19: S-hydrograph is used to obtain unit hydrograph of________________?

shorter duration from longer duration longer duration from shorter duration both (A) and (B) none of the above
Answer Explanation

MCQs 20: Dimensions of coefficient of transmissibility are______________?

M°L°T° rvfL’T”1 M° L2 T1 M’LV
Answer Explanation

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