Class 4 (unrestricted) Drivers Test Questions and Answers

Class 4 (unrestricted) Drivers Test Questions and Answers What is the final factor that will determine if the vehicle will move? the traction its tires have on the roads surface. How is brake heat dissipated Motion - Heat - Friction 0:16 / 0:30 If the weight of the vehicle is doubled, how many times must the stopping power be increased? 4x What causes brake fade? The brakes overheating What can cause jackknifing? Improper brake maintenance or adjustment What is the difference between ABS and ATC? The major difference between an ABS and a Traction Control system is that while ABS stops the wheel from spinning while braking, Traction Control stops the wheel from spinning while the vehicle is accelerating. ... This process of slowing down the wheel helps it regain traction. What is one of the hazards of stopping a tractor/trailer combination? either the tractor/trailer may have an ABS the other does not, this can lead to jack knifing When should a retarding device be used? provides auxiliary slowing of the vehicle (ie, steep downhill... helps the brakes!) What's brake lag time? it takes 1 1/2 second for the brakes to start working- that's why we should give plenty of distance! what kind of vehicles require the driver to have an airbrake endorsed driver's license to operate them? A BC Drivers License with a Air Brake endorsement What drivers license allows you to operate a school bus? Class 4 (unrestricted) What are the steps to get a air brake endorsement? Complete an ICBC-approved air brake course or have sufficient air brake experience Pass the air brake knowledge test. Pass an air brake practical pre-trip test. Pay for your road test fees and license. What rule should you follow to maintain a safe following distance when operating a taxi, ambulance, or van? 2 second rule. What rule should you follow to maintain a safe following distance when operating a bus, truck, or truck-tractor and semi-trailer? 5 second rule. Why should a commercial vehicle travel in the right (slower) lane of traffic? to decrease chance of collision and to not interrupt the flow of traffic As your speed increases, the length of your danger zone increases. What other conditions increase the length of your danger zone? Weight What determines the amount of track a vehicle will have? The wheelbase