ICBC Class 4 questions with correct answers

How much stopping forces is required to stop a vehicle - Answer 9 times the acceleration force (4,000 hp) What makes a truck stop slower - Answer Each brake needs to take 1/16 of the braking force (16 brakes, 8 axles if any aren't correctly adjusted if axles are not equally loaded (other brakes would have to work harder which would create more heat, which can cause brake damage and possible failure) When will you vehicle begin to slow - Answer 3/4 of a second after you see-think, 3/4 of. a second when you do (react) How much distance should cars/light trucks have between them and the cars in front of them - Answer 2 seconds How much distance should busses and trucks have between them and the car in front of them - Answer No less than 5 seconds Brake fade - Answer Loss of brake effectiveness due to overheating, brakes can catch on fire How much heat can brakes handle - Answer Up to 250 celsius Retarders - Answer Provide an auxiliary slowing effect and assist the main brake system to slow the vehicle - help save the main braking system from emergency stopping