AG Mechanics CDE Practice Exam 2025 – The Comprehensive All-in-One Guide for Success

Question: 1 / 400

In the L-head arrangement, where are the valves located?

Cylinder head

In the L-head arrangement, the correct location of the valves is in the cylinder head. This design places the valves above the combustion chamber, allowing for more direct airflow and fuel delivery into the cylinder. Valves in the cylinder head are exposed to less heat compared to if they were placed directly in the block or near the piston, which helps maintain valve performance and durability. This design also allows for a simpler and more efficient layout of the intake and exhaust ports for better engine performance. Hence, the correct answer is A.

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In the crankcase

In the cylinder block, directly above the camshaft lobes

Near the piston

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