1.
Which fluid is used in hydraulic power systems?

2.
Why is fluid power preferred in mobile vehicles? 1. Power can be transmitted without any delay 2. When overloaded, fluid power systems stop without damaging the components 3. Speed variation cannot be achieved 4. Fluid is non-compressible

3.
What effect does overloading have on fluid power and electrical systems?

4.
How is power transmitted in fluid power systems?

5.
Generally liquids are non-compressible but when a large pressure of 70 bar is applied, petroleum oil can be compressed up to

6.
Can all hydraulic fluids be compressed when extremely large pressure is applied?

7.
The resistance offered to the flow of fluid inside a piston develops into

8.
At low pressures, liquids are

9.
Which of the following statements are false? 1. Pressure is resistance to flow 2. Friction creates pressure 3. Load cannot create pressure on the system 4. The pressure developed decreases if load offers more resistance

10.
In hydraulic systems,