Heavy Duty Equipment Technician Red Seal Exam Prep · Question
What is the primary function of a torque converter in a powershift transmission?
The torque converter's primary functions are to provide a fluid coupling that allows the engine to idle with the transmission in gear and to multiply engine tor
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Question: What is the primary function of a torque converter in a powershift transmission?
Answer options:
- To provide a mechanical connection between the engine and transmission ✅ To multiply engine torque and provide fluid coupling
- To reduce engine RPM to transmission input shaft speed
- To regulate transmission fluid pressure for shifting
Correct answer: To multiply engine torque and provide fluid coupling
Explanation: The torque converter's primary functions are to provide a fluid coupling that allows the engine to idle with the transmission in gear and to multiply engine torque, especially at low speeds or high loads. A mechanical connection is achieved by the lock-up clutch, not the converter's primary function. It does not primarily reduce engine RPM or regulate fluid pressure for shifting.
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