For predicting floods of a given frequency, the best reliable method is (A) Unit hydrograph method (B) Gumbel's analytical method (C) California method (D) None of these

For predicting floods of a given frequency, the best reliable method is
(A) Unit hydrograph method
(B) Gumbel's analytical method
(C) California method
(D) None of these
by

1 Answer

Answer :

Answer: Option A
by

Related questions

Pick up the correct statement from the following: (A) The specified duration of unit hydrograph, is called unit duration (B) The rain during specified duration, is called unit storm (C) The number of unit hydrographs for a given basin, is theoretically infinite (D) All the above

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Last Answer : Answer: Option D

The best unit period of a unit hydrograph, is equal to basin lag divided by (A) 2 (B) 3 (C) 4 (D) 5

Description : The best unit period of a unit hydrograph, is equal to basin lag divided by (A) 2 (B) 3 (C) 4 (D) 5

Last Answer : Answer: Option C

If the area of storm hydrograph is equal to 102 cm, the ordinates of a unit hydrograph may be obtained by dividing the ordinates of the storm hydrograph by (A) 0.5 (B) 1 (C) 2 D) 4

Description : If the area of storm hydrograph is equal to 102 cm, the ordinates of a unit hydrograph may be obtained by dividing the ordinates of the storm hydrograph by (A) 0.5 (B) 1 (C) 2 D) 4

Last Answer : Answer: Option D

A unit hydrograph is a hydrograph of a rain storm of a specified duration resulting from a run-off of (A) 15 mm (B) 20 mm (C) 25 mm (D) 30 mm

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Last Answer : Answer: Option B

Unit Hydrograph theory was enunciated by (A) Merril Bernard (B) W.W. Horner (C) Le-Roy K. Shermen (D) Robert E. Horten

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Pick up the correct statement from the following: (A) The unit hydrograph of a specified unit duration obtained from the past data can be used to obtain the hydrograph of future storms of like duration (B) To obtain the ordinates of storm hydrograph, the ordinates of unit hydrograph are multiplied by the multiplying factor (C) The multiplying factor for storm hydrograph may be obtained by dividing the run off in mm by 25 mm (D) All the above

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Last Answer : Answer: Option D

The peak of a 4 hour flood hydrograph is 240 m3 /sec. If the rainfall excess is 80 mm and base flow which is constant is 40 m3 /sec, peak of 4hours unit hydrograph will be (A) 20 m3 /sec (B) 25 m3 /sec (C) 30 m3 /sec (D) 35 m3 /sec

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Last Answer : Answer: Option B

Instantaneous unit hydrograph is a hydrograph of (i) Unit duration (ii) Unit rainfall excess (iii) Infinitely small duration (iv) Infinitely small rainfall excess The correct answer is (A) (i) and (ii) (B) (i) and (iv) C) (ii) and (iii) (D) (iii) and (iv)

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Hydrograph is a graphical representation of (A) Surface run off (B) Ground water flow (C) Rain fall (D) Discharge flowing in the river

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Pick up the correct statement from the following: (A) Hydrograph is a plot of discharge and time (B) In hydrographs, time is plotted on X-axis (C) The maximum flow in the river due to rainfall, is called peak flow (D) All the above

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The shape of recession limb of a hydrograph depends upon (A) Basin characteristics only (B) Storm characteristics only (C) Both (A) and (B) (D) None of the above

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Hydrograph What ?

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