STUPIDSID
1 (a)
Define Hydrology. List the practical applications of hydrology.
6 M
1 (b)
With the neat sketch, explain the construction and working of Float type rain gauge. (Siphon type).
6 M
1 (c)
The analysis of a storm yielded the following information regarding isohyets. Calculate the average depth of rainfall.
| Isohyet interval in mm | 70-80 | 80-90 | 90-100 | 100-110 | 110-120 | 120-130 |
| Area in km2 | 10 | 85 | 113 | 98 | 136 | 67 |
8 M
2 (a)
Define the term infiltration capacity of a soil. Explain briefly the factors affecting the infiltration capacity of a soil.
6 M
2 (b)
List the factors affecting evaporation. Explain with a neat sketch, the measurement of evaporation using class A pan.
6 M
2 (c)
A 6 hour storm produced rainfall intensities of 7, 18, 25, 12, 10 and 3mm/hr in successive one hour intervals over a basin of 800km2. The resulting off is observed as 2640 hect-meter. Determine the ϕ - index of the basin.
8 M
3 (a)
Define unit hydrograph. What are the assumption underlying the unit hydrograph theory and what are the limitations of unit hydrograph theory.
8 M
3 (b)
The ordinates of the 3 hour unit hydrograph are given below:
Find the ordinates of a 6 hour unit hydrograph for the same analytically. Also sketch this unit hydrograph. What is the peak value of discharge in this unit hydrograph?
Find the ordinates of a 6 hour unit hydrograph for the same analytically. Also sketch this unit hydrograph. What is the peak value of discharge in this unit hydrograph?
| Time in hour | 0 | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 24 | 27 | 30 |
| Ordinates m3/sec | 0 | 10 | 25 | 20 | 16 | 12 | 9 | 7 | 5 | 3 | 0 |
12 M
4 (a)
Explain the following terms:
i) Design floor ii) Maximum probable flood iii) Standard project flood.
i) Design floor ii) Maximum probable flood iii) Standard project flood.
6 M
4 (b)
What are the different types of flood control reservoirs?
6 M
4 (c)
Write a short note on channel improvement as flood control measure.
8 M
5 (a)
Define Irrigation. List the advantages and disadvantages of irrigation.
8 M
5 (b)
What are the environmental impacts of irrigation?
6 M
5 (c)
Write a short note on sewage irrigation.
6 M
6 (a)
Describe briefly the various soil groups of India.
6 M
6 (b)
Explain the following terms:
i) Saturation capacity
ii) Field capacity
iii) Moisture equivalent
iv) Wilting point
v) Available moisture.
i) Saturation capacity
ii) Field capacity
iii) Moisture equivalent
iv) Wilting point
v) Available moisture.
10 M
6 (c)
Distinguish between crop period and base period.
4 M
7 (a)
Write a brief note on crop seasons and crops of India.
6 M
7 (b)
What are the factors affecting duty of water? How can duty be improved?
7 M
7 (c)
What is consumptive use of water? List the various factors affecting consumptive use of water.
7 M
8 (a)
How irrigation canals are classified?
8 M
8 (b)
Describe briefly the various considerations made in the alignment of an irrigation canal.
8 M
8 (c)
Distinguish between productivity canal and a protective canal.
4 M
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