What is bottom top dead center?
What is bottom top dead center?
Top Dead Centre/Bottom Dead Centre TDC – Top Dead Centre is traditionally the position of an internal combustion engine’s piston when it is at the very top of its stroke. BDC – Bottom Dead Centre is the opposite, when the piston is at the very bottom of its stroke.
What is a dead Centre?
A dead center (one that does not turn freely, i.e., dead) may be used to support the workpiece at either the fixed or rotating end of the machine. When used in the fixed position, a dead center produces friction between the workpiece and center, due to the rotation of the workpiece.
What is TDC in a car?
In a reciprocating engine, the dead centre is the position of a piston in which it is either farthest from, or nearest to, the crankshaft. The former is known as Top Dead Centre (TDC) while the latter is known as Bottom Dead Centre (BDC).
What is inner dead Centre?
IDC ODC In horizontal engine, the extreme position of the piston, close to the cylinder head is called Inner Dead Centre (IDC) and extreme position of piston near crank is called Outer Dead Centre (ODC).
How do you find the bottom dead center?
Bottom dead center is the point at which the piston of an engine is nearest to the axis of the crankshaft. On a vertical engine, this is the lowest point that the piston reaches. When the piston reaches bottom dead center, it starts to move upwards.
What is intake stroke?
: the stroke in the cycle of an internal-combustion engine during which the fuel mixture is drawn in before compression.
How does a four stroke engine work?
A four-stroke cycle engine is an internal combustion engine that utilizes four distinct piston strokes (intake, compression, power, and exhaust) to complete one operating cycle. The piston make two complete passes in the cylinder to complete one operating cycle.
What is difference between two and four-stroke engine?
In a 2-stroke engine, all five functions of the cycle are completed in only two strokes of the piston (or one revolution of the crankshaft). In a 4-stroke engine, the five functions require four strokes of the piston (or two revolutions of the crankshaft).
What is the difference between 4 stroke and 2 stroke engines?
Typically, a 2-stroke engine creates more torque at a higher RPM, while a 4-stroke engine creates a higher torque at a lower RPM. Four-stroke engines have more parts, therefore they are more expensive and repairs cost more. Two-stroke engines require pre-mixing of oil and fuel, while the 4-strokes do not.
What is petrol shelf life?
one year