EMCC: ATA146 final

Disc brakes require more force than drums to achieve the same braking effort - Answer- true when replacing pads on actuating type calipers, the piston must be kept from spinning as the c clamp pusher the piston back into the caliper bore - Answer- false a typical fixed caliper housing is designed with one caliper piston - Answer- false what prevents moisture from entering the cylinder bore? - Answer- the dust boot tech a siphons out about 2/3 of the brake fluid from the master cylinder before beginning work on the pads or calipers. tech b opens the caliper bleeder screws and runs a hose to a container to catch the fluid that is expelled, while pusing the pistons back. - Answer- C rotors are typically made from - Answer- cast iron the ball and ramp type parking brake actuator is found on what make of vehicles? - Answer- Ford tech a cleans brake components in denatured alcohol. tech b cleans brake components in clean brake fluid. who is correct? - Answer- C tech a replaces the pads if the linings are lass than 1/8th inch. tech b says if the pad on one side of the caliper is worn more than the other side, the rotor has excess runout and must be replaced - Answer- A disc brake caliper pistons are being removed. tech a positions a large dull screwdriver in the piston's dust boot broove to pry out the piston. tech b injects 25psi of air pressure into the fluid line connecting bore to remove the caliper piston. who is correct? - Answer- C composite rotors are made of cast iron and - Answer- steel tech a says a fixed rotor has an integral hub inside which the wheel bearings are mounted. technician b says a floating rotor is less expensive than a fixed rotor and can be replaced easily and economically. - Answer- C solid rotors are usually found on : front brakes of small compact vehicles rear b