Practice question
During a pre-trip inspection, how do you verify that the hydraulic brakes are operating correctly in a bus?
- Pump the pedal twice and hold it; it should feel spongy
- Depress the brake pedal and hold it for 5 seconds; the pedal must not move or sink toward the floor
- Drive the bus and apply the brakes hard to lock the wheels
- Check the fluid reservoir level only
Answer: B — Depress the brake pedal and hold it for 5 seconds; the pedal must not move or sink toward the floor
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