Practice Characteristics Of Open Channel Flow (14.3)

Practise this section

8 questions

Flashcard drill
5 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is open channel flow?
Show hintHide hint
Think of rivers and streams.
Question 2.
What are the two main forces acting in open channel flow?
Show hintHide hint
Consider what pushes the water down the channel.
3Question 3.
What is the definition of open channel flow?
- Flow confined within pipes
- Flow of water with a free surface
- Flow only in irrigation canals
Show hintHide hint
Think of rivers and streams.
4Question 4.
True or False: The pressure at the free surface of open channel flow is atmospheric pressure.
- True
- False
Show hintHide hint
Consider what type of pressure applies to open air.
Question 5.
Calculate the hydraulic radius of a rectangular channel with a flow area of 10 m² and a wetted perimeter of 5 m.
Show hintHide hint
Use the formula R = A/P.
Question 6.
Discuss the effects of changes in hydraulic radius on flow velocity in an open channel and how does this relate to the Froude number.
Show hintHide hint
Consider how depth and width influence flow.

4 more questions in this section. Enroll free to practise them all.