- What do you understand by the term spillway?
- How the spillways are broadly classifie? On what factors the discharging capacity of the spillway is fix.
- What are the functions of a spillway? Prepare a list of main spillways.
- Make a neat sketch of an Ogee type spillway and describe its working in brief.
- Why emergency spillway is installed? Is it made of earth or cement concrete?
- Explain the formation of a hydraulic jump. Derive the expression for height of hydraulic jump on D/S side.
- What are various methods of energy dissipation?
- Compare jump height curve with tail water curve and suggest the protective works which would be most effective for dissipation of excess energy of flowing water.
- Discribe various types of siphon spillways with the help of neat sketches.
10. Draw the sketches of
(i) Radial gates.
(ii) Vertical lift gates.
(iii) Needle gates.