When a piston is at its lowest in the cylinder it is said to be at?

Remember that when a piston is at its lowest position in the cylinder, it's said to be at bottom dead center (BDC). When the piston is at its highest position in the cylinder, it's said to be at top dead center (TDC).

1. During what stage of engine operation does the piston move upward?
2. When the bore is larger than the stroke the engine is?
3. During what stage of engine operation does the piston move upward in the cylinder in force the burnt gases out of the cylinder?
4. During what stage of engine operation does the piston move upward in the cylinder and force the burned gases out?
5. What is bore of a cylinder?
6. What is increasing bore size?
7. Is the diameter of the engine cylinder?
8. How does the piston move in compression stroke?
9. What is the movement of the piston in power?
10. How does the piston move in power stroke?
11. What are the sequences of events taking place in an engine is while the working cycle of the engine?
12. What are the 4 events in engine operation?
13. What is the cycle in the engine?

During what stage of engine operation does the piston move upward?

Compression cycle: Once the piston reaches the bottom of the cylinder, the intake valve closes and compresses the air and fuel inside the combustion chamber. Combustion cycle: Pistons are always moving up and down, as a piston moves upward, it compresses the air and fuel in the combustion chamber.

When the bore is larger than the stroke the engine is?

Oversquare or short-stroke engine

An engine is described as oversquare or short-stroke if its cylinders have a greater bore diameter than its stroke length, giving a bore/stroke ratio greater than 1:1.

During what stage of engine operation does the piston move upward in the cylinder in force the burnt gases out of the cylinder?

The pressure of expanding gases forces the piston downward on its power stroke. When it reciprocates, or moves upward again, the piston is on the exhaust stroke. During the exhaust stroke, the piston pushes the burned gases out of the cylinder.

During what stage of engine operation does the piston move upward in the cylinder and force the burned gases out?

During the compression stroke, the crankshaft continues to rotate, the piston is forced upward in the cylinder, and both intake and exhaust valves are closed. The movement of the piston upward compresses the fuel-air mixture.

What is bore of a cylinder?

Bore is the inner diameter of the cylinder. The volume at bottom dead centre (VBDC) is defined as the volume occupied between the cylinder head and the piston face when the piston is farthest from the cylinder head.

What is increasing bore size?

The short answer is that a bigger bore is generally the best way to get more power. It creates more space, allowing for bigger valve openings, which in turn can bring more fuel and air into the cylinder. ... A bigger bore with a shorter stroke also allows an engine to rev higher, which creates more horsepower.

Is the diameter of the engine cylinder?

In a piston engine, the bore (or cylinder bore) is the diameter of each cylinder. The stroke ratio, determined by dividing the bore by the stroke, traditionally indicated whether an engine was designed for power at high engine speeds (rpm) or torque at lower engine speeds.

How does the piston move in compression stroke?

2. Compression stroke: at the end of the intake stroke, both inlet and exhaust valves are closed. The inertial action of the crankshaft in turn lifts the piston which compresses the mixture. ... The resulting pressure pushes the piston down with several tons of force.

What is the movement of the piston in power?

Within the cylinder is a piston. When the fuel is burned, it creates an explosive force that causes the piston to move up and down. The piston is attached, via a connecting rod, to a crankshaft, where the up and down movement of the piston converts to a circular motion.

How does the piston move in power stroke?

Power stroke: With both valves closed, the spark plug—located in the picture between the intake and exhaust valve will fire, igniting the air/fuel mixture. The resulting explosion forces the piston downward and rotates the crankshaft, which in turn propels the vehicle.

What are the sequences of events taking place in an engine is while the working cycle of the engine?

TWO STROKE CYCLE ENGINE (PETROL ENGINE)

In two stroke cycle engines, the whole sequence of events i.e., suction, compression, power and exhaust are completed in two strokes of the piston i.e. one revolution of the crankshaft.

What are the 4 events in engine operation?

An internal-combustion engine goes through four strokes: intake, compression, combustion (power), and exhaust. As the piston moves during each stroke, it turns the crankshaft.

What is the cycle in the engine?

The cycle includes four distinct processes: intake, compression, combustion and power stroke, and exhaust. Spark ignition gasoline and compression ignition diesel engines differ in how they supply and ignite the fuel.