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IET-535(B) I B.Tech. Civil(Construction Management) 00292 Term-End Examination December, 2016
ET-535(8) HYDRAULIC STRUCTURES
Time: 3 hours Maximum Marks: 70
Note: Attempt any five questions. All .questions carry equal marks. Use of scientific calculator is allowed.

1. What do you mean by storage zone? Show its different levels with diagrams. 7

Write a short note on elevation storage curve with its environmental effects. 7

2. What are the design requirements of a gravity dam 7

What are the various failures of earth dams? 7

3. Define venturi head regulator with its design criteria. 7

Design a venturi head (regulator), given that:

Discharge in parent canal 12 cumecs

Bed width =15 m

Water depth 1.5 m

Bed level =100.00 m

Discharge in off-taking canal cumec

Bed width m

Water depth =0.6 m 7

4. What are the classifications of weirs Explain all of them with neat diagrams. 9

An adjustable orifice semi-module is to be fitted in a distributary for the following conditions:

Discharge of the outlet 0.30 cumecs

Working head =0.65 m

F.S.L. of the distributary 101.60 m

Bed level of the distributary 100.00 m

Design the module. 5

5. Explain level crossing with layout plan. 7

Calculate Drainage waterway and Canal waterway of syphon aqueduct from the following data
Drain Canal
Discharge (cumec) 400 40
Bed level 148.00 150.00
Bed width 25.00

Assume all other necessary data.

6. Explain about cistern elements with necessary diagram. 6

Given H=1m,d =10 cm,f=0.012,L=3m. Determine the discharge capacity of the pipe drop spillway. 8

7. Give the differences between conveyance, distribution and power canal. 6

What is the magnitude of tractive force with respect to its values on the sides of a canal 8

8. Write short notes on any four of the following: 4 x 3 1/2=14

Exit Gradient

Capacity of Canal

Distribution Canal

Cross Regulator

Trap Efficiencies