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GATE CE 2020: Hydrology & Irrigation Quiz 5 (App update required to attempt this test)

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Question 1

The ‘surcharge storage’ in a dam reservoir is the volume of water stored between _____.

Question 2

The equation used in the distributed routing is/are
I. Continuity equation
II. Energy equation
III. Water budget equation
IV. Momentum equation

Question 3

For the following flood routing data, what is the attenuation (roundoff to nearest integer)? Consider muskingham constants C₀=0.06, C₁=0.511.Take outflow discharge at t=0 as 20 m³/sec.

Question 4

A new reservoir has a capacity of 12 Mm³ And its catchment area is 400 km². The annual sediment yield from this catchment is 0.1 ha m/km² and the trap efficiency can be assumed constant at 90%. The number of years it takes for the reservoir to lose 50% of its initial capacity is, nearly

Question 5

A reservoir had an average surface area of 20 km² during June 2014. In that month, the average rate of inflow was 10 m3/s, the outflow was 15 m3/s, monthly rainfall was 10 cm and reduction in storage was 16 Mm3. Assuming the seepage losses to be 1.8 cm, estimate the evaporation in that month in cm.

Question 6

For a channel reach the value of the Muskingham coefficients are x = 0.25, k =0.24 and time step Δt is 0.Assuming initial inflow and outflow to be 300 m³/sec and 270 m³/sec respectively, compute the outflow(in m³/sec) for next routing period given that I₂ = 440 m³/sec

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ESE & GATE CE Engineering Hydrology

Aug 2ESE & GATE CE