## Exam questions

1. Basics of hydromechanics - Pascal´s law, Law for pressure propagation, Equation of continuity, laminar and turbulent flow, major (local) and minor pressure drops, Bernoulli´s equation.

2. Fluid mechanisms - advantages, disadvantages, applications.

3. Fluid mechanisms - energy transfer (principle), basic principle of hydraulic systems (figure and description).

4. Fluids in systems - their purpose in systems, types, applications.

5. Hydrostatic converters - types, purpose, ideal converters (equations).

6. Hydrostatic converters - real converters (equations), efficiencies.

7. Basic characteristics of real rotary converters.

8. Rotary hydraulic pumps - types, basic principles, advantages, and disadvantages.

9. Rotary hydraulic motors - types, basic principles, advantages, and disadvantages.

10. Rotary actuators - types, basic principles, advantages, and disadvantages.

11. Hydraulic cylinders - types, basic principles, advantages, and disadvantages.

12. Check valves, shut-off valves, cartridge valves - types, basic principles, applications, graphical symbols.

13. Directional valves - types, basic principles, applications, graphical symbols.

14. Throttle valves - types, flow equation, basic principles, applications, graphical symbols, characteristics.

15. 2-way and 3-way flow control valves - their purpose, basic principles, applications.

16. Pressure control valves - types, basic principles, applications, graphical symbols.

17. Accumulators - types, basic principles, advantages, and disadvantages.

18. Accumulators - their functions in systems, examples of their applications in hydraulic systems (figures).

19. Filters and filtration technology - filter types, purpose, location in systems.

20. Tanks - purposes, types, heat flow, stabilization circuit (temperature, filtration).

21. Heat exchangers - types, power equations.

22. Electrohydraulic components in hydraulic systems - purpose, function, types, characteristics.

23. Pressure intensifiers - their purpose in systems, types, applications, pressure gain.

24. Circuits for lifting and sinking mass load.

25. Multi-motor drives. Synchronous operation of hydraulic motors.

26. Energy saving hydraulic systems.

27. Pneumatic drives.