The ASE H4 Transit Bus Brakes Practice Test is designed to assess your understanding of key concepts related to transit bus brake systems, including air supply and service systems, mechanical brakes, and parking brakes. This practice test offers a valuable opportunity to evaluate your knowledge and identify areas for improvement.
ASE H4 Transit Bus Brakes Practice Test
Results
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#1. A transit bus, with a ruptured air supply tank, is being towed from the front. The technician should:
cage the rear air brake chambers is correct
#2. Brake shoe-to-drum clearance, on a transit bus with S-cam brakes, is maintained by adjusting the:
slack adjuster is correct
#3. The parking brakes fail to apply on a transit bus with air brakes. Technician A says that low air pressure in the spring brake chamber could be the cause. Technician B says that a ruptured spring brake diaphragm could be the cause. Who is right?
Neither A nor B is correct
#4. The air line from the air drier to the air supply (wet) tank is being replaced. Technician A says that there should be no low spots in the line after installation. Technician B says that a smaller diameter line may be used for the replacement. Who is right?
A only is correct
#5. A transit bus’ parking brake valve button pops out immediately after being depressed. Technician A says that this could be caused by low system air pressure. Technician B says that this could be caused by air in the emergency chamber. Who is right?
A only is correct
#6. A transit bus has an uneven braking problem. Which of these could be the cause?
A bad brake drum is correct
#7. An air compressor is not unloading, causing the air tank safety valve to pop off. This could be caused by any of these EXCEPT:
an obstructed intake is correct
By completing these questions, you can enhance your readiness for the ASE H4 certification exam and advance your career as a transit bus technician.
About the ASE H4 Certification
The ASE H4 certification focuses on the brake systems of transit buses, assessing a technician’s proficiency in diagnosing, servicing, and repairing these critical components. The exam covers various topics, including air supply and service systems, mechanical brakes, and parking brakes. To earn this certification, candidates must pass the H4 test and fulfill the necessary work experience requirements.
This certification demonstrates your specialized knowledge and skills in diagnosing, servicing, and repairing transit bus brake systems, making you a more attractive candidate to employers seeking qualified technicians. Additionally, ASE certifications are widely recognized as a standard of excellence, often leading to better job opportunities and potentially higher wages.
Reference:
This is not an official test. Use it for entertainment purposes only.