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)

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)
by

1 Answer

Answer :

Answer: Option C
by

Related questions

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

Description : 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

Last Answer : Answer: Option B

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

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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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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A unit hydro graph has one unit of (A) Rainfall duration (B) Rainfall excess (C) Time base of direct runoff (D) Discharge

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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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Explain the terms: i. Average velocity  ii. Instantaneous velocity  iii. Average speed  iv. Instantaneous speed

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Variability of rainfall is (i) Largest in regions of high rainfall (ii) Largest in coastal areas (iii) Largest in regions of scanty rainfall The correct answer is (A) Only (i) (B) (i) and (ii) (C) Only (iii) (D) (ii) and (iii)

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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

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

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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

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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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Which of the following statement(s) is (are) true for the given situation? Exposure of silver chloride to sunlight for a long duration turns grey due to (i) formation of silver by decomposition of silver chloride (ii) sublimation of silver chloride (iii) decomposition of chlorine gas from silver chloride (iv) oxidation of silver chloride (a) (i) only (b) (ii), (i) and (iii) (c) (ii) and (iii) (d) (iv) only

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Last Answer : Answer: Option A

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Description : In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided on (i) Bottom face near counterfort (ii) Top face near counterfort (iii) Bottom face near centre of span (iv) Top ... ) (B) Only (ii) (C) Both (i) and (iv) (D) Both (ii) and (iii)

Last Answer : Answer: Option C

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Last Answer : Answer: Option C

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Last Answer : Answer: Option D

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Last Answer : (iv) Nil/Less provision of height during alignment.

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Last Answer : (A) Velocity area method 

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Last Answer : (D) Time taken for the storm water to travel from the most remote point to the drain 

The runoff is affected by (A) Type of precipitation (B) Rain intensity and duration of rainfall (C) Rain distribution and soil moisture deficiency (D) All the above

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Last Answer : (d) (iii) (iv) (i) (ii)

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Last Answer : (c) (A)-(iv), (B)-(ii), (C)-(i), (D)-(iii)

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Last Answer : (a) (ii) (iii) (iv) (i)

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