Examkin

Soru

Zorluk: KolayTire Failure and Blowouts

A tractor-trailer experiences a sudden tire blowout on an open highway. Which of the following is the correct procedure for using the brakes?

  1. A
    Depress the brake pedal hard immediately to bring the vehicle to an emergency halt.
  2. Stay off the brake pedal completely until the vehicle has slowed down significantly on its own, then brake gently to stop off the road.Cevap
  3. C
    Pump the service brakes aggressively to prevent the blown wheel's rim from contacting the asphalt.
  4. D
    Apply the emergency trailer hand valve immediately to stop the combination using only trailer brakes.

Cevap

Stay off the brake pedal completely until the vehicle has slowed down significantly on its own, then brake gently to stop off the road.
During a tire failure or blowout, the driver must resist the urge to brake immediately. Staying off the brake pedal until the vehicle slows down naturally allows the driver to maintain steering control. Once speed has dropped substantially, the driver can apply the brakes very gently and pull completely off the roadway.

Adım Adım Çözüm

1
Recognize the blowout and maintain directional control.
The driver keeps the steering wheel steady to counteract pulling or fishtailing.
A blown tire creates substantial drag and uneven steering resistance.
2
Avoid depressing the brake pedal.
The vehicle coasts and deceleration occurs naturally from rolling resistance and engine compression.
Immediate braking while a tire is failing will likely lock up wheels and cause a dangerous skid or rollover.
3
Apply gentle braking only after the vehicle has slowed to a safe speed.
The vehicle comes to a smooth, controlled stop safely away from active travel lanes.
Controlled gentle braking at low speeds prevents loss of vehicle control.

Anahtar Kavram

Tire Failure Emergency Braking Procedure
Tahmini Süre:45s
Bu soruyu puanla

Konular

Tire Failure and Blowouts

Bu konudan daha fazla soru