Practice Bernoulli's Equation: Problems Solving On Black Board (5.1.2) - Lecture

Practise this section

8 questions

Flashcard drill
2 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.
Define Bernoulli's equation in your own words.
Show hintHide hint
Consider energy conservation principles.
Question 2.
Explain what is meant by a control volume.
Show hintHide hint
Think about analyzing fluids at a specific location.
3Question 3.
What does Bernoulli's equation represent?
- Energy conservation in fluids
- Momentum conservation
- Pressure loss only
Show hintHide hint
Think about the energies involved in the fluid's flow.
4Question 4.
True or False: The pressure inside a building can be lower than the external pressure during a cyclone.
- True
- False
Show hintHide hint
Consider how wind behaves relative to structures.
Question 5.
Calculate the upward force on a flat roof exposed to wind speeds of 150 km/h. The atmospheric pressure is 101325 Pa.
Show hintHide hint
Convert wind speed to m/s and use pressure difference calculations.
Question 6.
A pipe with radius R has a liquid flowing at speed V1. If the radius is halved, what is the new speed?
Show hintHide hint
Consider the relationship of areas and impacts on velocity.

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