4. Indian Institute of Technology - Kharagpur

Try these first

1. 1.

   Define hydraulic jump and provide an example.

   Hint

   Think about situations where water flow changes dramatically.

2. 2.

   What does a Froude number greater than 1 indicate?

   Hint

   Recall the critical flow conditions.

3. 3.

   What happens to the Froude number during a hydraulic jump?

   • It remains the same
   • It doubles
   • It decreases
   • It increases

   Hint

   Recall the flow states involved.

4. 4.

   In a properly designed hydraulic jump, energy loss should be minimized.

   • True
   • False

   Hint

   Think of energy management principles.

5. 5.

   A rectangular channel undergoes a hydraulic jump where Fr1 = 8 and a flow depth y1 = 0.15m. Calculate the depth after the jump y2 and the corresponding energy loss.

   Hint

   Set up proper flow equations.

6. 6.

   If a channel’s width is 2m and it carries an 8 m³/s discharge at a depth of 0.5m. Assess the flow regime and the possible occurrence of hydraulic jumps.

   Hint

   Focus on establishing flow relationships.