General Studies · Automobile Engineering
In an automotive braking system, when does a vacuum booster (enhancer) primarily assist in generating maximum vacuum assistance?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1When the engine is running and the brakes are not being applied✓
- 2When the engine is completely off and the brake pedal is repeatedly pressed
- 3When the fuel level in the tank falls below a certain limit
- 4When the brakes are fully applied during emergency stopping
Correct answer
When the engine is running and the brakes are not being applied
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