QUESTION ONE (1) (a) Explain four (4) primary functions of a hydraulic oil. [4 Marks] (b) State any six (6) properties of a hydraulic oil that will make it fulfil the functions in (a) above.[6 Marks] (c) State Pascal's law.[1 Mark] (d) Figure Q1(d) shows application of Pascal's law in hydraulic braking systems: riguieuidu) (i) Name two (2) types of actuators commonly used.[2 Marks] (ii) Label the parts numbered 1, 2 and 3.[3 Marks] (iii) In-point form briefly describe how pressure is produced and transmitted in the system. [4 Marks]