Air braked vehicles - Study guides, Class notes & Summaries

During normal driving, spring brakes are usually held back by: - Answer air pressure The brake pedal in an air brake system: - Answer Controls the air pressure applied to put on the brakes The brake system that applies and releases the brakes when the driver uses the brake pedal is what system? - Answer service system All air braked equipped vehicles must have what? - Answer A supply pressure gauge If your truck or bus has dual parking control valves, you can use pressure fro...

What could change the height of a cargo van? - Answer weight When going down a hill, when should you switch to a lower gear? - Answer before you start going downhill For stab braking in an emergency: - Answer The brakes are applied all the way and when the wheels lock up, the brakes are released until the wheels start rolling. Then the process is repeated If another driver is tailgating you, you should: - Answer Increase your following distance with the vehicle in front W...

1 L3 CERAD SJA EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ What is input? Correct Answer: The vision primarily and hearing sceondly sending information to the brain What is the legal tread limit on a tyre (WAST) ? Correct Answer: 2mm What is the legal tread limit on a tyre (Highway Code)? Correct Answer: 1.6mm Why should you leave a space between ourselves and the vehicle in front ? Correct Answer: 1st so if a person drives into the back of our vehicle we ha...

1 L3 CERAD THEORY EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ What is input? Correct Answer: The vision primarily and hearing sceondly sending information to the brain What is the legal tread limit on a tyre (WAST) ? Correct Answer: 2mm What is the legal tread limit on a tyre (Highway Code)? Correct Answer: 1.6mm Why should you leave a space between ourselves and the vehicle in front ? Correct Answer: 1st so if a person drives into the back of our vehicle we...

1. 1. 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: 1. The correct answer is 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 springs. The purpose is to have b...

1. 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 1. The correct answer is 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 springs. The purpose is to have...