Excessively Worn Valve Train Components Are More Commonly Found on Which

question 2

Multiple Choice

Excessively worn valve train components are more commonly found on which valve actuation mechanism?

• A)Intake valves.
• B)Exhaust valves.
• C)Engine brakes.
• D)Rocker levers.

---

Definitions:

Autonomic Nervous System

The part of the nervous system that controls involuntary actions of the body, such as heart rate and digestion.

Motor Fibers

Nerve fibers that transmit impulses from the nervous system to muscles, causing them to contract.

Cardiac Muscles

Specialized muscle tissue found only in the heart, responsible for the heart's contraction and blood circulation.

Autonomic Nervous System

The part of the nervous system that controls involuntary actions of the smooth muscles and heart and glands, regulating bodily functions such as heart rate and digestion.