Michigan State Brakes Certification Assessment Questions with Complete Solutions Graded A+, Exams of Nursing

Download Michigan State Brakes Certification Assessment Questions with Complete Solutions Graded A+ and more Exams Nursing in PDF only on Docsity!

Michigan State Brakes Certification Assessment Questions with

Complete Solutions Graded A+

Most 1995 & newer vehicles use which of the following types of wheels bearings on non-drive wheel? - Correct AnswersSealed non-serviceable to test a vacuum power brake booster in the vehicle, you should pump the brake pedal at least 4 times, hold the brake pedal depressed, and start the engine. the brake pedal should: - Correct Answersdrop slightly and remain firm You are installing a set of brake shoe linings that are not the same length. Traditionally, the primary shoe lining is: - Correct AnswersSmaller and goes towards the front of the car. A cracked or torn vacuum diaphragm in a brake power booster would most likely cause:

• Correct Answersa hard pedal feel requiring very high pedal effort to stop A mechanic finds gear lube inside both rear brake drums on a rear wheel drive vehicle. What is the most likely cause of this problem? - Correct AnswersA plugged axle Which of the following incorrect service procedures will cause brake lock-up? - Correct Answersmaster cylinder push rod adjusted too long Which of the following describes the proper way to depressurized an ABS system? - Correct AnswersPump the brake pedal at least 25 times (or more, depending on the manufacturer's recommendation) with the ignition off. The rear brakes are dragging after having new linings installed and the drums machined. the most likely cause is the: - Correct Answerstechnician use the parking brake to adjust shoes and the cable is stuck When turning brake drums: - Correct Answersuse a dampening strap to reduce chatter Which of the following is NOT a necessary drum brake measurement? - Correct Answersrun-out On a 3-channel system, which wheels are on the same circuit? - Correct Answersboth rear wheels

One way to test an ABS wheel speed signal is to use _____ on your digital multimeter. - Correct AnswersAC volts The key input for the ABS control module comes from the: - Correct Answerswheel speed sensors ABS speed sensor and sensor rings: - Correct Answersshould not be hammered or tapped on and should always be replaced as a matched set Flexible brake hoses should be replaced: - Correct Answerswhen dampness is evident on the hose Which of the following should be used to check for rotor thickness variation: - Correct AnswersMicrometer After rebuilding a master cylinder, the rod between the master cylinder and booster should be: - Correct Answersadjusted properly Upon inspecting brake fluid condition, the technician observes the diaphragm in the master cylinder cup is swollen. Which of the following is the most likely cause? - Correct Answerssilicone fluid added to the system When inspecting brake fluid levels, a technician observes low fluid levels. which of the following should be done first? - Correct AnswersInspect disc brake pads for excessive wear Which of the following is true about most properly functioning anti-lock brake systems? - Correct AnswersThe brakes may lock up at speeds less than 10 miles per hour Which of the following is true about bleeding brake lines on most ABS equipped vehicles? - Correct AnswersMost ABS brake lines can be bled like a conventional (non- ABS) system. However, caution must be taken because of the extreme pressure. Most anti-lock brake systems require the removal of the pressure modulator fuse when:

• Correct Answersa "spaced-saver" spare tire is being used and mismatched tires are being installed What does a load sensing proportioning valve do? - Correct AnswersIt increases the hydraulic pressure during braking at the rear wheel cylinders when the vehicle is loaded The brakes of a car squeal each time they are applied, which of the following is the LEAST likely source of the noise? - Correct AnswersGlazed brake pads Which of the following is a true statement about proportioning valves? - Correct AnswersThey provide better braking balance during hard stops

During a road test, you find that when normal breaking pressure is applied the pedal slowly goes to the floor. What is the likely cause of this problem? - Correct AnswersA leaking master cylinder primary piston seal. Before replacing a hydralic brake hose on an ABS equipped vehicle, you should first: - Correct Answersrelieve brake system pressure according to manufacturer procedures When would the pump motor be activated in an anti-lcok brake system with traction assist? - Correct Answerswhen brake pedal pulsates There is a scraping sound coming from one rear brake. The sound stops when the brakes are applied. What is most likely the cause of the problem? - Correct Answersa broken shoe hold-down spring or pin If a drum brake self-adjuster seizes up, the likely result will be: - Correct AnswersNOT a low pedal, worn or brake drum, or a loose emergency brake cable. After drum brakes have been applied and released, the brake fluid returns to the master cylinder reservoir. What causes it to return? - Correct Answersbrake shoe return springs On a single anchor duo-servo drum brake system, which shoe does most of the braking? - Correct Answerssecondary shoe Which lining does most of the braking on a leading/trailing brake? - Correct Answersprimary shoe This tool is used to? - Correct AnswersAdjust the brake shoes to the drum Which of the following could be a symptom of over-torqued lug nuts? - Correct AnswersA brake pedal pulsation during braking. Which of the following describes the proper sequence to bleed brake lines on most rear wheel drive vehicles: - Correct AnswersRR, LR, RF, LF In disc brake caliper assemblies, the "square cut seal" is usually located: - Correct AnswersIn the caliper piston bore When performing a caliper overhaul, what would you use to remove the pistons from the calipers? - Correct AnswersCompressed air Sliding caliper disc brake pads are kept in adjustment by the - Correct AnswersSquare cut piston seal

When the brakes are applied on a car with disc-drum brakes, a vibration or pulsating movement is felt. What can cause this problem? - Correct AnswersA rotor thickness variation A rattle is a single piston disc brake assembly which goes away when the brakes are applied is most likely a result of: - Correct AnswersLoose pads in the caliper Which of the following would most likely cause dragging brakes? - Correct AnswersA defective vehicle load sensor There is a scraping sound coming from one rear brake. The sound stops when the brakes are applied. What is the likely cause of the problem? - Correct AnswersA broken shoe hold-down spring or pin Which of the following can be used to check for rotor thickness variation? - Correct AnswersDial indicator On a vehicle with a disc/drum brake system, the rear wheels lock up under hard braking. The most likely cause is: - Correct AnswersA defective proportioning valve After putting a bearing race in a hub, you notice that the new race is loose and can spin in the hub. What should you do? - Correct AnswersReplace the hub When adjusting disc-drum brakes, you should: - Correct AnswersAdjust the rear brakes after releasing the parking brakes You are rebuilding a master cylinder. What should you use to lubricate the internal parts? - Correct AnswersBrake fluid Which of the following is the most likely cause of low fluid level in the master cylinder? - Correct AnswersWorn brake pads and linings Which of the following describes the correct sequence for bleeding brake lines on most front wheel drive vehicles? - Correct AnswersRR,LR, RF, LF All of the following are steps in the procedure for servicing a typical dual master cylinder, EXCEPT: - Correct AnswersClean the master cylinder with a degreasing solvent The brakes of a car tend to drag, which of the following could be the cause? - Correct AnswersA stuck wheel cylinder or caliper piston When repairing damaged brake line, which of the following is correct? - Correct AnswersReplace entire line that is damaged with a new line bent to the right shape using a tube bender

Which of the following would be the result of an inoperative ABS pump/motor assembly:

• Correct AnswersConventional braking should still be available What information might be found on a brake drum to help a mechanic? - Correct AnswersThe maximum diameter dimension When checking a newly turned drum before putting it back on, you notice a thread-like grooves in the braking surface. Why are the grooves there? - Correct AnswersThe lathe was not adjusted properly when the drum was turned