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1 Exam (elaborations) CDL Air Brakes Questions & Answers 2 Exam (elaborations) Air Brakes Test Questions All 100% Correct Answers 3 Exam (elaborations) CDL - Air Brakes Exam Questions 100% Complete Solutions 4 Exam (elaborations) Brakes Test Questions 100% All Solved 5 Exam (elaborations) Brakes Exam Questions All 100% Correct Answers 6 Exam (

CDL Air Brakes Questions & Answers Air loss in a straight truck or bus should not be more than how much PSI with the engine off and the brakes on? - Answers - 3 PSI in one minute To make an emergency stop with air brakes, using the stab braking method, you should - Answers - Brake as hard as you can get off brakes when wheels lock get back on brakes when wheels start rolling again All vehicles with air brakes must have what signal? - Answers - Low air pressure warning signal It...

Air Brakes Test Questions All 100% Correct Answers Oil & water usually collect in compressed air tanks. If you do NOT have an automatic tank drain, when should you drain the air tanks - Answers - a. After every working day. b. After every four hours of service. c. Once a week. d. Every other week. Correct Answer: After every working day. Why drain water from the compressed air tanks? - Answers - Water can freeze in cold weather and cause brake failure. The air brakes system for a st...

CDL - Air Brakes Exam Questions 100% Complete Solutions After every working day - Answers - Oil and water usually collect in compresed air tanks. If you do not have an automatic tank drain, when should you drain the air tanks? Why drain water from the compressed air tanks? - Answers - Water can freeze in cold weather and cause brake failure. The air brake system for a straight truck or bus should not leak at a rate of more than __________ psi per minute with the engine off and the brake...

AIR BRAKES TEST Exam Questions Correct Answers 1) Why must air tanks be drained? a) For pre trip inspection purposes b) To check for leaks c) To release oil and water buildup d) To activate the low air pressure alarm - Answers - c) To release oil and water buildup 2) What is a supply pressure gauge used for? a) To check tire pressure b) To check tank pressure c) To activate the low pressure alarm d) To check for leaks - Answers - b) To check tank pressure 4) What are spring brak...

Brakes Test Questions 100% All Solved Two technicians are discussing Newton's first law of motion. Technician A says that a lightweight vehicle requires as much energy to accelerate as a heavier vehicle. Technician B says that a lighter vehicle requires less energy to accelerate than a heavier vehicle. Who is correct? - Answers - Tech B The parking brake cable pulls on an actuating lever inside the brake drum assembly. - Answers - True Tech A states using an air-operated brake on hea...

Brakes Exam Questions All 100% Correct Answers On a car with disc/drum brakes, the front brakes grab quickly when light pedal pressure is applied. This problem could be caused by a bad: A. proportioning valve B. pressure safety switch C. metering valve D. residual check valve - Answers - C. The metering valve delays the flow of brake fluid to the front calipers until the pressure in the system rises to a point where the wheel cylinder can overcome the tension of the brake shoe return s...

Brakes Test Exam All Questions 100% Correct Answers Disc brakes are replaceable friction material called - Answers - Linings Drum brakes use replaceable friction material called - Answers - linings Tech A says power assisted brake reduces stopping distances compared with a nonpower assisted brake sysrem Tech B says that the power assisted brake system reduces force that the driver must excert on the brake pedal. - Answers - Tech B What is the color of the antilock brake system ABS ...

Brakes Exam Questions All 100% Solved What type of binder is used in all brake friction materials? - Answers - Phenolic resin The FMVSS 135 standards determine: - Answers - The performance of the braking system If a vehicle is equipped with antilock brakes, - Answers - The vehicle will be able to be steered during hard braking All of the following are specified by the FMVSS 135 except - Answers - Brake noise levels Disc brakes use replaceable friction material called - Answers - P...

Brakes Exam Questions 100% Complete Solutions Brake Pedal reserve that gradually fades under light pressure indicates: a. A brake line restriction B. Spring tension on the brake pedal is weak C. Internal Leaks D. The system is operating properly - Answers - c Which of the following statements is not true: A. Some imports use HSMO, a green colored oil, as brake fluid. B. Silicone, or DOT 5 brake fluids contain a purple dye C. Polyglycol brake fluids are amber to clear in color D. A...