STUPIDSID
Solve any one question fromQ.1(a,b) and Q.2(a,b)
1(a)
Discuss the possible social issues associated with dams.
4 M
1(b)
Enlist the types of dams based of hydraulic action and briefly explain any one type with sketch / sketches.
4 M
2(a)
State and explain four insturments used for various measurements needed with reference to safety of dams. Draw suitable sketches wherever possible / necessary.
4 M
2(b)
Enlist the types of dams based on the purpose. Explain any one type with sketch.
4 M
Solve any one question fromQ.3 and Q.4
3
A gravity dam has base width 60m with upstream face vertical and downstream face with slope 2H:3V Knowing that total vertical force above the base is 63MN, overtuning moment and resisting moment are 2.2×106kNm; determine maximum and minimum vertical stresses induced on the foundation. Also find major principal stress at the toe of the dam. Is the dam safe against overturning?
6 M
4
State the classification of arch dams. Briefly explain the constant angle arch dam with sketch / sketches. When are the arch dams suitable?
6 M
Solve any one question fromQ.5and Q.6
5
What is meant by 'spillway'? State its purposes. Explain any one spillway with sketch.
6 M
6
Enlist various spillway gates. Give the classification of hydropower plants based on various criteria ( considerations).
6 M
Solve any one question fromQ.7(a,b,c) and Q.8(a,b,c)
7(a)
Discuss various causes or modes of failure of earthen dams. Draw relevant sketches.
4 M
7(b)
Compare Lane's and Bligh's theories of seepage with suitable sketches.
4 M
7(c)
An earthen dam of homogeneous material has top width 5m with upstream slope 3H:1V and downstream slope 2H:1V. Knowing that coefficient of permeability of the dam material is 0.6×10-3cm/s, determine:
i) Phreatic line for the dam, and
ii) Rate of seepage per unit length of dam. Assume various R.L.s as given below:
R.L. of deepest river bed = 175m
R.L. of top of dam = 201.5m
H.F.L. for reservoir = 197 m For calculating 'y' values, assume interval for 'x' as 15 m
i) Phreatic line for the dam, and
ii) Rate of seepage per unit length of dam. Assume various R.L.s as given below:
R.L. of deepest river bed = 175m
R.L. of top of dam = 201.5m
H.F.L. for reservoir = 197 m For calculating 'y' values, assume interval for 'x' as 15 m
10 M
8(a)
Discuss the 'Swedish slip circle method' for examing the stability of earth slpes.
4 M
8(b)
Explain one method each for seepage control through
i) the embankments
ii) the foundations. (Relevant sketch should be drawn)
i) the embankments
ii) the foundations. (Relevant sketch should be drawn)
4 M
8(c)
Figure shows section of a barrage. R.L.s of key points and horiziontal distance are in meters. Calculate % pressure at point D1, C1, D2 and E2 if pressures at E1 and C2 are 100% and 0% repectively. Neglect slope corrections.
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10 M
Solve any one question fromQ.9(a,b,c) and Q.10(a,b,c)
9(a)
Discuss basic three types of vanal alignments with relevant sketch/ sketches.
4 M
9(b)
State two requirements of a good canal module (outlet). State four types of canal falls and draw neat sketch of weir type of canal escape.
4 M
9(c)
Design an irrigation canal with side slopes 1H:2V to carry 40 cumes discharge. Use kennedy's theory. Assume B:D ration 2.50, critical velocity ratio (m) = 1 and Kutter's rugosity coefficient = 0.023 Assume \[s = \frac{1}{4000}\] for first trial. Take two trial.
8 M
10(a)
State two advantages and two drawbacks/ disadvantages of canal lining.
4 M
10(b)
What is the necessity of canal falls? Discuss various types of canal outlets (modules) briefly.
4 M
10(c)
Design a trapezoidal regime channel to carry a discharge of 50 cumes using Lacey's thoery. Assume side slopes 1H:2V and silt factor f = 1.10
8 M
Solve any one question fromQ.11(a,b,c,d) and Q.12(a,b,c,d)
11(a)
State the types of cross - drainage works. Explain any one C.D. work wih suitable sketch.
4 M
11(b)
On which factors the choice of C.D work depends? Briefly discuss.
4 M
11(c)
Give classification of rivers based on the topography of river basin Explain the types briefly.
4 M
11(d)
State four objectives of river training. With neat sketch explain briefly the levee (embankment) as a river training work.
4 M
12(a)
With suitable sketches, explain various types of spurs(groynes).
4 M
12(b)
Briefly explain three basic types (classes) of river training.
4 M
12(c)
Explain Aqueduct and syphon Aqueduct with sketches.
4 M
12(d)
What is meant by 'super - passage'? Explain it clearly with sketches.
4 M
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