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ASVAB · Question #242
ASVAB Question #242: Real Exam Question with Answer & Explanation
The correct answer is A. seal the combustion chamber and allow the pistons to move freely. See the full explanation below for the reasoning.
Question
The primary purpose of piston rings is to:
Options
- Aseal the combustion chamber and allow the pistons to move freely
- Bconnect the piston to the crankshaft
- Callow fuel to enter the piston cylinder
- Dprovide lubrication to the piston cylinder
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