Skid Prevention and Defensive Driving Flashcards

What is the primary purpose of ABS (Anti-lock Braking System) on a bus?

Answer: To prevent wheel lock-up during braking, maintaining steering control

ABS prevents the wheels from locking during hard braking, allowing the driver to maintain steering control.

A bus is descending a steep hill and the driver smells burning from the brakes. What should they do?

Answer: Stop the vehicle safely, apply the parking brake, and allow brakes to cool before continuing

Burning brakes indicate overheating (brake fade risk) — the driver must stop, apply the parking brake, and let them cool.

Why is it important for a PCV driver to scan far ahead rather than just the vehicle in front?

Answer: To anticipate hazards early and reduce the need for harsh braking or sudden steering

Scanning far ahead allows early hazard detection, enabling smooth, progressive responses rather than emergency manoeuvres.

How does the turning circle of an articulated bus differ from a rigid single-decker?

Answer: An articulated bus has a larger turning circle and the rear section can swing wide on corners

The rear trailer section of an articulated bus swings out when turning, requiring drivers to allow extra space.

What is the correct response if a tyre blows out at speed on a motorway?

Answer: Hold the steering wheel firmly, ease off the accelerator gently, and steer in a controlled manner to a safe stop

In a blowout, the driver should grip the wheel firmly, ease off the accelerator, and control the vehicle to a gradual, safe stop.

What driving technique should a PCV driver use when approaching a pedestrian crossing where people are waiting?

Answer: Slow down progressively, be prepared to stop, and check mirrors before braking

The driver should slow progressively, check mirrors, and be prepared to stop — never assume pedestrians will wait.