Heavy Duty Equipment Technician Red Seal Exam Prep · Question
What is the purpose of a synchronizer in a manual transmission?
Synchronizers match the rotational speed of the collar and the gear before engagement, allowing for smooth, clash-free gear changes in a manual transmission.
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Question: What is the purpose of a synchronizer in a manual transmission?
Answer options:
- To lock the transmission in neutral when the parking brake is applied. ✅ To equalize the rotational speeds of gears before engagement, ensuring smooth shifts.
- To prevent the engine from over-revving during downshifts.
- To automatically engage the clutch when accelerating from a stop.
Correct answer: To equalize the rotational speeds of gears before engagement, ensuring smooth shifts.
Explanation: Synchronizers match the rotational speed of the collar and the gear before engagement, allowing for smooth, clash-free gear changes in a manual transmission.
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