ASE H3 Drive Train (Transit Bus) Practice Questions - ASE H3 - Drive Train (Transit Bus) Certification Exam - ASE H3 Drive Train (Transit Bus) Practice Questions - ASE H3 - Drive Train (Transit Bus) Certification Exam

Question 1

On a transit bus equipped with an Allison B-series automatic transmission, what is the primary function of the torque converter?

To multiply engine torque hydraulically during acceleration and provide a fluid coupling To lock the engine directly to the output shaft at idle To engage the parking pawl when the bus is stopped To cool the transmission fluid before it returns to the sump

Correct Answer:

To multiply engine torque hydraulically during acceleration and provide a fluid coupling

Question 2

Technician A says the torque converter lockup clutch eliminates converter slip to improve fuel economy at cruising speed. Technician B says the lockup clutch should engage at or near stall for maximum torque multiplication. Who is correct?

Technician B only Technician A only Both A and B Neither A nor B

Correct Answer:

Technician A only

Question 3

A transit bus automatic transmission uses planetary gearsets. Which component arrangement allows a single gearset to provide reduction, direct drive, or reverse depending on which member is held or driven?

Pressure plate, clutch disc, and flywheel Input shaft, lay shaft, and synchronizer Sun gear, planet pinions/carrier, and ring gear Pinion gear, ring gear, and spider gears

Correct Answer:

Sun gear, planet pinions/carrier, and ring gear

Question 4

On an Allison electronically controlled transit transmission, which device commands shift solenoids and clutch apply based on inputs such as throttle position, output speed, and range selection?

The retarder modulation valve The output speed sensor reluctor ring The torque converter stator The transmission control module (TCM/ECU)

Correct Answer:

The transmission control module (TCM/ECU)

Question 5

A transit bus shows a transmission fluid that is dark brown and smells burnt. What does this most likely indicate?

Overheated fluid with degraded friction-clutch material Normal new-fluid color for synthetic transmission fluid Coolant contamination from a failed heat exchanger Excessive fluid level causing aeration

Correct Answer:

Overheated fluid with degraded friction-clutch material

Exam overview

About this Exam

Prepare with the ASE H3 Drive Train (Transit Bus) Practice Questions - ASE H3 - Drive Train (Transit Bus) Certification Exam practice quiz. This question bank includes 100 questions covering transmission, transit, technician, fluid, and cause. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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ASE H3 Drive Train (Transit Bus) Practice Questions - ASE H3 - Drive Train (Transit Bus) Certification Exam

This practice set contains 100 questions from the matching question bank and focuses on transmission, transit, technician, fluid, and cause. 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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ASE H3 Drive Train (Transit Bus) Practice Questions - ASE H3 - Drive Train (Transit Bus) Certification Exam

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