ENGINEERING HYDROLOGY by Manish Kumar Manish Kumar

Author:Manish Kumar Manish Kumar [Manish Kumar, Manish Kumar]
Language: eng
Format: azw3
Publisher: PHI Learning
Published: 2018-04-16T04:00:00+00:00

31.Match List-I with List-II and select the correct answer using the codes given below

the lists:

(IES, 2004)

List-I

A.Unit Hydrograph

B.Synthetic unit Hydrograph

C.Darcy’s law

D.Rational method

List-II

1.Design flood

2.Permeability

3.Ungauged basin

4.1 cm runoff

32.Viewing watershed as a system, which one of the following assumptions is made in the unit hydrograph theory?(IES, 2005)

(a) Non-linearity

(b) Both linearity and time variance

(c) Both time invariance and non-linearity

(d) Both linearity and time invariance

33.A DRH due to a storm over a basin has a time base of 90 h with straight line portions of the hydrograph having flow rates of 0, 10, 70, 90, 40 and 0 m3/s at elapsed durations of 0, 10, 20, 30, 50 and 90 h as indicated is the following diagram, respec­tively. The catchment area is 300 km2. What is the rainfall excess in the storm?

(IES, 2006)

(a) 2.83 cm

(b) 3.46 cm

(c) 3.87 cm

(d) 4.02 cm

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