Examkin

Soru

Zorluk: Çok zorMotorcyclists

When following a motorcyclist on a wet road, you should expect the rider to brake firmly in a straight line while crossing metal drain covers or thick painted road markings in order to safely maintain vehicle stability.

Cevap: Cevap

Cevap

False. Motorcyclists will actively avoid braking on wet metal or painted surfaces to prevent instant wheel lock, and are much more likely to swerve to avoid them entirely.
Motorcycles rely entirely on tire traction to remain upright. Braking on extremely low-grip surfaces like wet drain covers causes instant wheel lock, inevitably leading to a crash. Therefore, riders will actively avoid braking on them and may swerve suddenly instead, requiring following drivers to anticipate lateral movement.

Adım Adım Çözüm

1
Identify the primary hazard presented in the scenario.
Wet metal drain covers and thick painted road markings.
These specific road surfaces have drastically reduced friction coefficients compared to standard tarmac, especially in wet weather.
2
Evaluate the effect of braking on a motorcycle over these specific low-grip surfaces.
Applying the brakes requires tire traction. On wet metal, a motorcycle tire will likely lock up immediately, causing the bike to lose balance and crash.
Unlike cars, motorcycles rely entirely on continuous tire grip and balance to remain upright; a sudden loss of front-wheel grip causes an immediate fall.
3
Determine the necessary hazard avoidance behavior of an experienced motorcyclist.
The rider will likely swerve to avoid the hazard completely or release the brakes and coast over it upright.
To survive slippery hazards, riders must avoid any sudden speed or directional inputs while traversing them.
4
Conclude the correct defensive driving action for the following vehicle.
The driver behind must not expect straight-line braking, but rather a sudden, evasive change in the motorcyclist's road position.
Anticipating this sudden swerving behavior requires the car driver to drop back and leave a much larger following distance.

Anahtar Kavram

Anticipating motorcyclist hazard avoidance behavior on low-grip surfaces
Bu soruyu puanla

Konular

Motorcyclists

Bu konudan daha fazla soru