Brakes Exam Questions Correct Answers

Brakes Exam Questions Correct Answers Disc brakes use replaceable friction material called __________. - Answers - Pads Drum brakes use replaceable friction material called ________. - Answers - Shoes Technician A says that a power-assisted brake reduces stopping distances compared with a non-power-assisted brake system. Technician B says that the power-assisted brake system reduces the force that the driver must exert on the brake pedal. Which technician is correct? - Answers - Tech B What is the color of the antilock brake system (ABS) warning lamp? - Answers - Amber If a vehicle is equipped with antilock brakes, this means that __________ . - Answers - The vehicle will be able to be steered during hard braking The FMVSS 135 standards determine ____________. - Answers - The performance of the braking system An owner of a vehicle equipped with ABS brakes complained that whenever he tried to stop on icy or slippery roads, the brake pedal would pulse up and down rapidly. Technician A says that this is normal for many ABS units. Technician B says that the ABS unit is malfunctioning. Which technician is correct? - Answers - Tech A Electric adjustable pedals operate___. - Answers - Both accelerator and brake pedal All of the following are specified by the FMVSS 135 except ________________. - Answers - Brake noise level What is the purpose of any brake repair? - Answers - Restore new-like performance Which Greek letter is used to represent the coefficient of friction? - Answers - Mu (μ) The amount of asbestos in brake friction material is being restricted because______. - Answers - It is a health hazzard What type of binder is used in all brake friction materials? - Answers - Phenolic resin An edge code reading for coefficient of friction is EF. This means______. - Answers - The coefficient of friction is higher when the brakes are hot Brake pads and linings that use synthetic material such as aramid fibers instead of steel are usually referred to as_____________. - Answers - NAS What can the driver do to reduce the possibility of brake fade caused by heat? - Answers - Select lower transmission gear Brake fade can occur due to_______. - Answers - Mechanical Fade Gas Fade Water Fade Why is copper being reduced in brake friction materials? - Answers - It can effect life in rivers and streams The lowest level of copper in brake friction material is shown on the leaf mark as________. - Answers - Three leafs Disc brake pads can reach temperatures as high as _________. - Answers - 1,800 F Two technicians are discussing master cylinders. Technician A says that it is normal to see fluid movement in the reservoir when the brake pedal is depressed. Technician B says a defective master cylinder can cause the brake pedal to slowly sink to the floor when depressed. Which technician is correct? - Answers - Both If the brake pedal linkage is not adjusted correctly, brake fluid may not be able to expand back into the reservoir through the ________________ port of the master cylinder when the brakes get hot. - Answers - Vent port (Forward hole) The primary brake circuit fails due to a leak in the lines, leaving the rear section of a dual split master cylinder. Technician A says that the driver will notice a lower than normal brake pedal and some reduced braking power. Technician B says that the brake pedal will "grab" higher than normal. Which technician is correct? - Answers - Tech A Two technicians are discussing a problem where the brake pedal travels too far before the vehicle starts to slow. Technician A says that the brakes may be out of adjustment. Technician B says that one circuit from the master cylinder may be leaking or defective. Which technician is correct? - Answers - Both