Types of Controllers: Intr0duction: types of control actions, hydraulic controllers; Elrctronic controllers; Pneumatic controllers.

Gyroscope: Gyroscopes, Gyroscopic forces and couples, Gyroscopic stabilization, ship stabilization, stability of 4 wheels and 2 wheels vehicle moving on a curved path.

Balancing of Reciprocating parts: Balancing of single cylinder engine, balancing of multicylinder : Inline engine, Radial engine, V type engine; Firing order.