Questions of 9.2

Questions of 9.2
1. What is a hydraulic?
2. What is a hydraulic system?
3. Give some examples of hydraulic system.
4. What is a pneumatic?
5. What is a pneumatic system?
6. Give some examples of pneumatic system.
7. What happened if the hydraulic and pneumatic system loose pressure?
8. List an example on when will people use hydraulic system.
9. What is a fluid system?
10. List a thing that is always used to put the liquid under pressure.




Answers of 9.2

1. The study of how liquids act when they are under pressure.
2. A device that uses pressure to apply a force through a liquid to move something else.
3. Tank, pipe, toothpaste, hose, water pipe.
4. The study of how gases act when they are under pressure.
5. A device that uses pressure to apply a force through a gas to move something else.
6. Filled tires, drill teeth, air brakes, vacuum cleaner.
7. They can not work or may not function well.
8. To turn on a hose or a water tap.
9. Something that makes use of a gas or a liquid to perform tasks.
10. pumps