1) describe any two desirable properties of the hydraulic fluid.
2) describe what is meant by the servo value? describe two of its application.
3) Among the hydraulic and pneumatic system which is more robust and Why?
4) List some of the hydraulic fluids which are used in the industrial hydraulic system.
5) List some of the ways of controlling the maximum pressure in the hydraulic system.
6) describe some of the materials that are used for forming the hydraulic fluids.
7) Explian the following with respect to the hydraulic to hydraulic fluids.
(a) Pour point
(b) flash point
8) State some of the advantages and limitations of the pneumatic system.
9) describe the function of actuator in the pneumatic system and Classify them.
10) describe the differential circuit and state some of its applications.