Technician A says that to check the operation of a vacuum brake booster, the brake pedal should be depressed until the assist is depleted and then start the engine. Technician B says that the brake pedal should drop when the engine starts, if the booster is okay. Which technician is correct? (Text page 1298-1299)

Question

Physics

Raul

29 December, 03:07

Technician A says that to check the operation of a vacuum brake booster, the brake pedal should be depressed until the assist is depleted and then start the engine. Technician B says that the brake pedal should drop when the engine starts, if the booster is okay. Which technician is correct? (Text page 1298-1299)

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Answers (1)

Know the Answer?

Lamar Mckee · Answer 1

The answer is that both technicians are correct.

Explanation:

Working under vacuum, the brake pedal always lowers when the engine starts, in the event that the boost is fine. Working under vacuum, the boost brake pedal must be depressed when the engine is started. In this way, the appreciation of both technicians (technician A and technician B) are correct.