IC ENGINE TERMINOLOGY Video Link: https://www.youtube.com/watch?v=Uwn6g5k35pI&t=418s The following terms/Nomenclature of an engine are explained below: 1. Bore: The nominal inside diameter of the engine cylinder is called bore. 2. Top Dead Centre (TDC): The extreme position of the piston at the top of the cylinder of the vertical engine is called top dead centre (TDC), In case of horizontal engines. It is known as inner dead centre (IDC). 3. Bottom Dead Centre (BDC): The extreme position of the piston at the bottom of the cylinder of the vertical engine called bottom dead centre (BDC). In case of horizontal engines, it is known as outer dead center (ODC). 4. Stroke: The distance travelled by the piston from TDC to BDC is called stroke. In other words, the maximum distance travelled by the piston in the cylinder in one direction is known as stroke. It is equal to twice the radius of the crank. 5. Clearance Volume (Vc): The volume contained in the cylinder above the top of the p...