Hydrograph is a graph which shows the variation of discharge with
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16%
a. Rainfall
55%
b. Time
19%
c. Runoff coeff.
10%
d. Rainfall excess
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Graph between rainfall intensity vs time is
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20%
a. Hydrograph
61%
b. Hyetograph
12%
c. Unit hydrograph
7%
d. Mass curve of rainfall
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It is the process by which water from liquid or solid state converted into a vapour state and diffuse in the atmosphere
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50%
a. Evaporation
12%
b. Transpiration
37%
c. Evapotranspiration
1%
d. Infiltration
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Dalton's law is given as
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17%
a. E = c (es + ea)
33%
b. E = c (ea - es)
33%
c. E = c (es - ea)
17%
d. E = c ( es + ew)
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Water budget equation based on
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15%
a. Law of conservation of energy
38%
b. Law of conservation of mass
45%
c. Both options a & b
2%
d. None of these
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Evapotranspiration process is
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61%
a.Daylight
13%
b.night time only
17%
c.land surface only
10%
d.None of these
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Which of the following term is infiltration
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48%
a. Layer to layer deep vertical movement of water to reach ground water table
18%
b. Lateral movement of water through soil mass
30%
c. Process by which water moves from surface to the layer of soil
5%
d. The process of evaporation of water by leaving the plant body
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Horton's infiltration capacity is given as
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13%
a. f = fo + ( fc - fo) e^kt
35%
b. f = fo - ( fc - fo) e^ -kt
26%
c. f = fo - (fc - fo) e^ -kt
26%
d. f = fc + ( fo - fc) e^ -kt
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Match the following
Column l. Column II
1.Evapotranspiration. i.pytometer 2.Evaporation. ii.infiltrometer 3.Transpiration. iii.evaporimeter 4.Infiltration iv.Lysimeter
Column l. Column II
1.Evapotranspiration. i.pytometer 2.Evaporation. ii.infiltrometer 3.Transpiration. iii.evaporimeter 4.Infiltration iv.Lysimeter
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5%
a. 1-i 2-ii 3-iii 4-iv
65%
b. 1-iv 2-iii 3-i 4-ii
26%
c . 1-iii 2-iv 3-ii 4-i
4%
d. 1-ii 2-iii 3-iv 4-i
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Which of the following statements are true for Runoff :-
I. The size of catchment has a definite effect on the runoff.More the area, lesser will be the runoff.
II. Runoff is not a function of precipitation, intensity, duration and it's coverage
I. The size of catchment has a definite effect on the runoff.More the area, lesser will be the runoff.
II. Runoff is not a function of precipitation, intensity, duration and it's coverage
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39%
a. Only ( I ) True
20%
b. Only ( II ) True
29%
c. Both I & II True
12%
d. Both I & II false
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The basic assumptions of Unit-hydrograph theory are
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9%
a. Non-linear response & time invariance
46%
b. Time invariance & linear response
38%
c. Linear response & linear time variance
7%
d. Non- linear time variance & linear response
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An IUH is a direct runoff hydrograph of -
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24%
a. 1 cm magnitude due to rainfall excess of 1h-duration
34%
b. That occurs instantaneously due to a rainfall excess of 1h duration
40%
c. Unit rainfall excess precipitating instantaneously over the catchment
2%
d. Occuring at any instant in long duration
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Dicken's formula for peak flow discharge
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50%
a. Qp = CDA^3/4
24%
b. Qp = CDA^2/3
23%
c. Qp = CD √124+A
4%
d. Qp = CD A^1/3
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If Sy = Sp yield & Sr = Sp retention,then
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6%
a. Sy + Sr = 0.50
40%
b. Sy + Sr = Porosity
51%
c. Sy + Sr = 1
3%
d. Sy + Sr = permeability
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The example of Aquitard is-
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32%
a. Solid granite Rock
38%
b. Silty clay layer
10%
c. Only clay
20%
d. Sand + clay
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Which of the following is not a direct stream flow determination technique?
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18%
a. Dilution technique
38%
b. Ultrasonic technique
24%
c. Area velocity method
20%
d. Slope area method
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