The rainfall cycle period in India is taken as 15 years 20 years 25 years 30 yea

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Question
The rainfall cycle period in India is taken as
Options
A. 15 years
B. 20 years
C. 25 years
D. 30 years
E. 35 years.

Correct Answer

35 years.

Water Resources Engineering problems

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4. Evaporation losses depend upon
Options
A. area of the water surface and depth of the water
B. nature of precipitation and type of vegetation
C. humidity and wind velocity
D. atmospheric temperature
E. all the above.

5. If the velocities of flow of a stream of 10 m depth recorded by a current meter at depths of 2 m and 8 m are 0.7 m and 0.3 m respectively, the discharge per unit width of the stream in cubic metres, is
Options
A. 2
B. 3
C. 4
D. 5
E. 6

6. The equation which is used for determining the velocity of ground water flow in metres per day is known as
Options
A. Meinzer's formula
B. Slichter's formula
C. Darcy's formula
D. Hazen formula.

7. Pick up the incorrect statement from the following :
Options
A. At two meteorologically homogeneous stations, the average annual precipitation is same
B. If the average annual precipitation at two places is same these are meteorologically homogeneous stations
C. Neither (a) nor (b)
D. Both (a) and (b).

8. Pick up the correct statement from the following :
Options
A. The throat of the section of a control meter is either rectangular or trapezoidal
B. The floor of the control meter throat is almost level
C. The floor of the expanding outlet of the control meter is given a steep slope
D. A properly designed control meter is associated with the phenomena of hydraulic jump
E. All the above.

10. The rate of rainfall for successive 10 minute periods of a 60 minute duration storm, are shown in the below figure. If the value of ?_index is 3 cm/hour, the run off will be
Options
A. 2 cm
B. 3 cm
C. 4 cm
D. 5 cm.

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