Answer :
Final answer:
The component that is NOT connected to the crankshaft is the rocker arm. The crankshaft connects components like the harmonic balancer, flywheel, and counterweights. Rocker arms are part of the valvetrain operation and do not connect to the crankshaft.
Explanation:
Understanding Engine Components Connected to the Crankshaft
In an automotive engine, various components are connected to the crankshaft to facilitate its operation. The crankshaft is an essential part of internal combustion engines, converting linear motion from the pistons into rotational motion. However, not all components related to engine operation connect directly to the crankshaft.
Components Connected to the Crankshaft
- Harmonic Balancer: This device is installed on the crankshaft to dampen vibrations, thus improving engine performance and longevity.
- Flywheel: It is attached to the crankshaft to maintain engine momentum and smooth out the delivery of power.
- Counterweights: These are also part of the crankshaft design, used to balance the rotating assembly and reduce vibrations.
Component Not Connected
On the other hand, the rocker arm does not connect to the crankshaft directly. Instead, rocker arms are part of the valvetrain, actuated by a pushrod or camshaft, allowing the opening and closing of engine valves, thus functioning separately from the crankshaft.
Therefore, the correct answer to the question is that the component connected to the crankshaft EXCEPT is the rocker arm.
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