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ASE Transit Bus

H5 Transit Bus — Suspension & Steering — practice test

Studying for H5 (Transit Bus — Suspension & Steering)? Overhaul Prep has 170 verified H5 questions written to the current task list — in the same formats the real exam uses (direct, Technician A/B, EXCEPT and most-likely-cause). Every answer comes with a written explanation, so you learn why instead of memorising a letter.

170H5 questions
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9,711questions in total
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Sample H5 questions

Straight from the bank — answers highlighted, with the explanation underneath.

The primary function of the air springs (air bags) in a transit bus air suspension is to:

  1. Dampen spring oscillations after a bump
  2. Steer the drive axle during turns
  3. Support the vehicle load and provide a cushioned ride
  4. Maintain constant ride height as the load changes
WhyAir springs carry the sprung weight of the bus and use compressed air as the springing medium to absorb road shock; damping is the shock absorber's job and holding a set height is the leveling valve's job.

Technician A says the height control valve maintains ride height as passenger load changes. Technician B says the valve's built-in delay keeps it from reacting to every bump in the road. Who is correct?

  1. Technician A only
  2. Technician B only
  3. Both Technicians A and B
  4. Neither Technician
WhyBoth are right: the valve holds a set height by adding or exhausting air, and its time delay prevents it from cycling on momentary road inputs.

A bus wheel shows rust streaks ('rust trails') radiating from the stud holes along with a clacking noise while driving. The MOST likely cause is:

  1. Loose or improperly torqued wheel nuts
  2. A leaking wheel-bearing seal
  3. An out-of-balance tire
  4. A cracked brake drum
WhyRust streaks weeping from the stud holes plus a clack are classic signs of a wheel working loose. Loose fasteners elongate the holes and can lead to wheel separation; retorque or replace immediately.

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