Page 112 - Pneumatic ebook (2)_draft 13 sept 2021
P. 112

Chapter 1 – Introduction to Pneumatic System







             6. Picture below shows the ISO standard symbols for                     .









                  A. Flow control valve

                  B. Directional control valve

                  C. Pressure control valve



             7. Why compressed air requires good preparation?

                    A. So that pneumatic system is clean
                    B. To protect the operator from dirt and dust

                    C. To maximize performance and extend the life of the components doing the work
                        in a pneumatic system



              8. Name the component that is used to transform the potential energy of
                 the compressed air into mechanical  work.

                 Answer: _______________________________________




             9. Symbol shown in figure below is a combination of ______________








                  A. Air filter, regulator

                  B. Air filter, regulator, check valve
                  C. Regulator, lubricator

                  D. Air filter, regulator, lubricator





             10. Which of the following components list belongs to air generation system?

                  A.Actuator, check valve, air service unit, compressor
                  B.Tank, actuator, pressure switch, electric motor

                  C.Pressure switch, electric motor, compressor, check valve
                  D.Directional control valve, line filter, compressor, auto drain




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