Describe the following terms using the mathematical expression:

Steady flow

Unsteady flow

Uniform flow

Non uniform flow

Derive the expression for the discharge through open channel by Chezy's formula.

2.Find the slope of the bed of a rectangular channel of width 5 when depth of water is 2 m and rate of flow is given as 20 m^3/sec. Take Chezy's Constant C 50.

3. Find the bed slope of trapezoidal channel of bed width 6 depth of water 3 m and side slope of 3 horizontal to 4 vertical, when the discharge through the channel is 30 m^3/sec.

What is the condition for the most economical rectangular channel

A rectangular channel carries water at the rate of 400 litres/sec, when bed slope is 1 in 2,000. Find the most economical dimension of the channel, if C 50.

What do you understand by specific energy curve?

Derive the expression of minimum specific energy in terms of critical depth.

6. The discharge of water through a rectangular channel of width 8 is 15 when depth of flow of water is 1·2 m. Calculate

Specific energy of the flowing water

Critical depth and critical velocity

Value of minimum specific energy

For deriving the expression for depth of hydraulic jump in open channel flow, what are the general assumptions made?

A sluice gate discharges water into a horizontal rectangular channel with a velocity of 10 m/sec. and depth of flow of 1 m. Determine the depth of flow after the jump and consequent loss in total head.

8. Write short notes on the following:

Pelton Turbine

Tangential Flow Turbine

Overall Efficiency of a Turbine

9. A Pelton wheel is having a mean bucket diameter of 1 m and is running at 1,000 r.p.m. The net head on the Pelton wheel is 700 m. If the side clearance angle is 15° and discharge through nozzle is 0·1 find the

Power available at the nozzle,

Hydraulic efficiency of the turbine.