Drum brake systems - Study guides, Class notes & Summaries

AN ENGINE BRAKE (JACOBS BRAKE) A. IS A SELF-ENERGIZING SERVO TYPE. B. IS NORMALLY USED IN PLACE OF A SPRING BRAKE. C. RESTRICTS THE INTAKE PORT AND CAUSES A BUILD UP OF 30-45 LBS OF PRESSURE. D. OPENS THE EXHAUST VALVES NEAR THE TOP OF THE COMPRESSION STROKE TO RELEASE THE COMPRESSED AIR. (CORRECT AWNSER) IN THE SYSTEM SHOWN BELOW, THE PART AT C IS: A. AN INVERSION VALVE. (POSSIBLE CORRECT AWNSER) B. A SAFETY VALVE. C. A MODULATOR VALVE. (NOT CORRECT AWNSER) D. A RELAY VALVE. ...

SOS Mechanic Certification- Brakes Exam Complete Questions with 100% Correct Answers Most 1995 & newer vehicles use which of the following types of wheels bearings on non-drive wheel? Sealed 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: drop slightly and remain firm You are installing a set of brake shoe linings that are not the same ...

Brakes A5 Topics for the A5 test include: Hydraulic, Power Assist, and Parking Brake Systems Diagnosis and RepairDrum Brake Diagnosis and RepairDisc Brake Diagnosis and RepairElectronic Brake Control Systems (ABS, TCS, ECS) Diagnosis and Repair. A5 Question 1 The brake pedal is low and spongy; all brake adjustments have been completed according to specifications. The cause of the problem could be: A) Binding pedal linkage. B)Dented brake line. C)Plugged compensating port. D)A weak hydraulic hose...

Georgia Class F driver’s license questions and answers 100% pass At 55 mph approximately how many seconds does it take to come to a stop 6 seconds What is the minimum tread depth required in the front two tires 4/32" tread depth required in the front two tires There must be no more than ________ play in the steering wheel or __" in a 20" steering wheel 10 degrees/ 2" What is the minimum tread depth required in the rear tires? 2/32" tread depth required in the rear tires How do you tes...

CDX - Chapter 47: Drum Brake Systems/ 67 Q&A/ Already Graded A+. Terms like: Tech A states that is not required for the technician to take the customer on the test drive when diagnosing drum brake problems. Tech B states that during the test drive, one should find a safe place to operate the brakes at a variety of speeds with a variety of brake pedal pressures. Who is correct? - Answer: Tech B _____ is used to adjust brake shoes when the drum is installed. - Answer: Brake spoon When re...

CDX - Chapter 47: Drum Brake Systems/ 67 Q&A/ Already Graded A+ Terms like: _____ are installed so the direction they are applied is the same as the forward rotation of the drum. - Answer: Leading shoes The backing plate is made from stamped _____ and is bolted to the steering or suspension components. - Answer: Steel The leading/trailing shoe drum brake system is very common on the _____ wheels of _____ -wheel drive vehicles due to their equal braking forces in both the forward and re...

CDX - Chapter 47: Drum Brake Systems/ 67 Q&A/ Already Graded A+. Terms like: Tech A states that is not required for the technician to take the customer on the test drive when diagnosing drum brake problems. Tech B states that during the test drive, one should find a safe place to operate the brakes at a variety of speeds with a variety of brake pedal pressures. Who is correct? - Answer: Tech B _____ is used to adjust brake shoes when the drum is installed. - Answer: Brake spoon When re...

Tech A says that parking brakes on drum brake vehicles use separate brake shoes for backup in an emergency. Tech B says that parking brakes on drum brake vehicles mechanically operate the standard drum brake shoes. Who iscorrect? - Answer- Tech B Which of these drum brake systems uses servo action in both directions? - Answer- Duo-servo drum brake systems Tech A says that brake shoe linings saturated with brake fluid from a leaky wheel cylinder can be cleaned with brake cleaner and reused ...

Aumt Brake Final Exam |Complete Questions with Graded A+ Answers Tech A says that parking brakes on drum brake vehicles use separate brake shoes for backup in an emergency. Tech B says that parking brakes on drum brake vehicles mechanically operate the standard drum brake shoes. Who iscorrect? Tech B Which of these drum brake systems uses servo action in both directions? Duo-servo drum brake systems Tech A says that brake shoe linings saturated with brake fluid from a leaky wheel cy...

Aumt Brake Final Exam |Complete Questions with Graded A+ Answers Tech A says that parking brakes on drum brake vehicles use separate brake shoes for backup in an emergency. Tech B says that parking brakes on drum brake vehicles mechanically operate the standard drum brake shoes. Who iscorrect? Tech B Which of these drum brake systems uses servo action in both directions? Duo-servo drum brake systems Tech A says that brake shoe linings saturated with brake fluid from a leaky wheel cy...