Which component is known as part of the carburetor?

The Venturi is a critical component of the carburetor. It plays a vital role in the mixing process of air and fuel, essential for internal combustion engines. By creating a reduction in pressure as air flows through the narrow passage, it allows fuel to be drawn into the airflow from the fuel bowl. This mixing is crucial for achieving the right air-fuel ratio needed for efficient combustion.

Understanding the function of the Venturi provides insight into how carburetors regulate engine performance. It's designed to optimize fuel atomization and ensure the engine runs smoothly at varying speeds and loads.

The other components listed are important in various parts of an engine but do not pertain directly to the carburetor's function. For instance, the starter is responsible for initiating the engine's operation, the valve system regulates airflow into and out of the combustion chamber, and the ignition coil generates the spark needed to ignite the air-fuel mixture. These elements do not mix air and fuel, which is the primary role of the Venturi within the carburetor.