Question 1
In an Allison automatic transmission used in a school bus, what component multiplies engine torque during vehicle launch?
Correct Answer:
The torque converter
Question 2
What allows torque multiplication to stop and the torque converter to act as a near 1:1 fluid coupling at cruising speed?
Correct Answer:
The stator freewheeling on its one-way clutch
Question 3
Technician A says the torque converter lockup clutch eliminates converter slip to improve fuel economy and reduce fluid heat. Technician B says lockup is normally applied in the lowest gear during launch. Who is correct?
Correct Answer:
Technician A only
Question 4
A school bus Allison transmission exhibits a shudder felt only when the converter lockup clutch applies at light throttle. The MOST likely cause is:
Correct Answer:
Worn or contaminated lockup clutch friction material
Question 5
Which transmission fluid specification is required for most current Allison automatics used in school buses?
Correct Answer:
Allison TES 295 / TES 668 approved fluid
Question 1
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About this Exam

Prepare with the ASE S3 Drive Train (School Bus) Practice Questions - ASE S3 - Drive Train (School Bus) Certification Exam practice quiz. This question bank includes 100 questions covering transmission, allison, school, automatic, and fluid. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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ASE S3 Drive Train (School Bus) Practice Questions - ASE S3 - Drive Train (School Bus) Certification Exam

This practice set contains 100 questions from the matching question bank and focuses on transmission, allison, school, automatic, and fluid. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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