Chapter:

Impact-of-Jets-and-Jet-Propulsion

1. The dimensions of a rectangular channel section is2.5m×1m. Calculate value of Sf if bed slope of channel is 1 in 600. Given: dy/dx=1.52×10-3m.


2. Calculate value of Sf for a trapezoidal channel having depth 2m, width 5m and side slope of 1H:1.5V. Given: dy/dx=1.18×10-3,S0 = 1 in 1000, C = 50.


3. Determine dynamic equation for rate of change of depth having bed slope S0 and slope of total energy line Sf in terms of Froude’s number.


4. When Yn > Yc and So > 0, it is called a _____


5. The rate of change of depth is given by 1/x2 and rate of change of specific energy is given by 3x2 with x ranging from 0 to 0.2, calculate value of Froude’s number.


6. A slope based on culvert bottom is called______


7. Determine length of back water curve if E1=2.8m and E2=5.6m. Given:S0=0.00009 Sf= 0.00004.


8. In which case is hydraulic jump not possible?


9. The dimensions of a rectangular channel is 3m×2m and bed slope of channel is 1 in 1000, calculate rate of change of depth if rate of change of specific energy is 2×10-5m. Given: n = 0.010


10. An example of common hydraulic jump is________