technology 4th year


PROJECT 3 HYDRAULICS AND PNEUMATICS

Questions about pneumatics and hydraulics

1. 1.    Which are the physical properties of fluids?

1. 2.    What´s the difference between liquids and gases related to the property of compressibility?. Give one example.

1. 3.    Write the formula for calculating the Pressure. Which are the units in the international system SI?

1. 4.    If we have got a recipient which contains a liquid, in which part of it is the maximum pressure produced?

5. Pneumatic circuits. Complete the following schemes.

              a)  Elements for production of compressed air

               1._________________________

                2. _______________________________

                b) Elements for _____________________________compressed air

                        1.__________________

                        2. Pressure reducing valve

                         3.__________________________

                c) Elements for air compressed distribution

                         1.________________________

                         2. ____________________________

              d) Elements for controlling pneumatic circuits

                         1.________________________

                         2. ____________________________

                         3. _______________________________

                                   

               e) Working elements in pneumatic circuits. Complete the scheme.

                            1. ______________                

                            2._______________

6. Hydraulic circuits.

   Draw a sketch of an hydraulic circuit.

  Complete the following scheme:

Working and control elements:

1.    ______________

2.    ______________

3.    ______________

4.    _______________