ASE Brakes Certification Practice Exam 2025 – Complete Study Resource

Question: 1 / 400

All of the following are disadvantages of a jake brake, EXCEPT:

It produces a chattering, machine-gun sound

It requires additional mufflers

It is very noisy

It increases brake effectiveness

A jake brake, or engine brake, is primarily designed to increase the braking effectiveness of a vehicle by using the engine's compression to slow it down. When engaged, it allows the engine to work against the moving vehicle rather than solely relying on the traditional braking system, which can help reduce brake wear and increase overall safety during descents.

This increased braking effectiveness is a significant advantage of using a jake brake, especially in heavy vehicles like trucks, where maintaining control on steep grades is critical. While the other options highlight drawbacks related to noise and additional requirements, this particular option underscores a benefit of the jake brake system that enhances its function and contributes to better vehicle handling under braking conditions.

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