Discussion
Statement I: A one way clutch protects the starter from an accelerating engine.
Statement II: A one way clutch prevents the pinion from remaining in mesh after starting.
In the light of the above statements, choose the correct answer.
Answer: B
The clutch freewheels so the engine cannot drive the armature, but withdrawing the pinion is the solenoid's job. A pinion that stays in mesh with a working clutch simply freewheels, which is why the two functions must not be confused. Most errors here come from carrying across a result from a neighbouring case where it does not hold. Naming the cost of a choice alongside its benefit is what turns a fact into a design decision.
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