STUPIDSID
1 (a)
Describe non-automatic and automatic rain gauges. Explain the merits and
demerits of each.
7 M
1 (b)
A thunder storm of 6hour duration produces the following flood hydrograph.
Derive the ordinates of unit hydrograph for a catchment area of 2845 km2. Also
sketch the resulting unit hydrograph.
| Date | July 3 | July 4 | July 5 | |||||||
| Time (hour) | 6 am | 12 noon | 6 pm | 12 mid night | 6 am | 12 noon | 6 pm | 12 mid night | 6 am | 12 noon |
| Discharge (m3/sec) | 100 | 400 | 1500 | 3500 | 5100 | 3000 | 1500 | 900 | 400 | 100 |
7 M
2 (a)
A recording rain gauge was installed on a basin having catchment area of 35 km2.
The mass curve of rainfall is recorded during a storm is given below.
If the volume of measured runoff due to storm is 1.4×106 m3, estimate the φ-index of the basin.
If the volume of measured runoff due to storm is 1.4×106 m3, estimate the φ-index of the basin.
| Time from start of storm (hours) | 0 | 2 | 4 | 6 | 8 | 10 | 12 | 14 |
| Accumulated rainfall (mm) | 0 | 8 | 18 | 59 | 68 | 83 | 89 | 95 |
7 M
Solve any one question from Q2(b) & Q2(c)
2 (b)
Define the following with figure
(1) Earthen dam
(2) Gravity dam
(3) Arch dam
(4) Buttress dam
(5) Spillway
(1) Earthen dam
(2) Gravity dam
(3) Arch dam
(4) Buttress dam
(5) Spillway
7 M
2 (c)
Describe in detail the factors affecting infiltration.
7 M
Solve any two question from Q3(a), Q3(b) & Q3(c), Q3(d)
3 (a)
Define unit hydrograph and its uses. Clearly explain the assumption made in the derivation of unit hydrograph.
7 M
3 (b)
Define the following
(1) Aquifer
(2) Aquiclude
(3) Aquifuge
(4) Specific yield
(5) Specific retention
(6) Storage coefficient
(7) Transmissibility coefficient
(1) Aquifer
(2) Aquiclude
(3) Aquifuge
(4) Specific yield
(5) Specific retention
(6) Storage coefficient
(7) Transmissibility coefficient
7 M
3 (c)
Explain Darcy's law with its limitations. Describe the procedure of proving it
Experimentally.
7 M
3 (d)
Describe in brief
(1) Reservoir sedimentation
(2) Reservoir capacity
(1) Reservoir sedimentation
(2) Reservoir capacity
7 M
Solve any two question from Q4(a), Q4(b) & Q4(c), Q4(d)
4 (a)
Describe the various components of a typical hydropower plant with a neat sketch.
Also discuss the function of each component.
7 M
4 (b)
Describe the situations under which the following dams are constructed
(1) Gravity dam
(2) earthen dam
(3) Arch dam.
Also describe any two major reservoirs of India.
(1) Gravity dam
(2) earthen dam
(3) Arch dam.
Also describe any two major reservoirs of India.
7 M
4 (c)
Define flood and its causes. Also discuss various measures taken to control the
Flood.
7 M
4 (d) (i)
Define the following
(a) Return period
(b) Spillway design flood
(c) Probable maximum flood
(a) Return period
(b) Spillway design flood
(c) Probable maximum flood
3 M
4 (d) (ii)
bridge has an expected life of 25 years and designed for flood management of return period 100 years.
(a) What is the risk of this hydrologic design
(b) if a 10% risk is acceptable, what return period will have to be adopted.
(a) What is the risk of this hydrologic design
(b) if a 10% risk is acceptable, what return period will have to be adopted.
4 M
Solve any two question from Q5(a), Q5(b) & Q5(c), Q5(d)
5 (a)
Distinguish between
(1) Hydraulic and hydrologic method of flood routing
(2) Hydrologic storage routing and hydrologic channel routing
(3) Prism storage and wedge storage
(1) Hydraulic and hydrologic method of flood routing
(2) Hydrologic storage routing and hydrologic channel routing
(3) Prism storage and wedge storage
7 M
5 (b)
Describe the types of drought and its causes.
7 M
5 (c)
Describe various measures of water conservation and augmentation.
7 M
5 (d)
Describe in brief
(1) Channel improvement
(2) Flood damage analysis
(1) Channel improvement
(2) Flood damage analysis
7 M
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