Medium heavy duty brakes exam questions and answers

The vehicle expections report the VIR should be submitted? Weekly Which of the following cannot a drum on an air braked vehicle to overheat? Too-high governor cut out pressure All the brakes drag on a truck with hydraulic brakes which of the following could be the cause? No brake pedal free travel Which of the following could cause a pulsating brake pedal on a truck with hydraulic brakes? And out-of-round brake drum Air pressure gauge charge an air pressure signal into electrical voltage signal which of the following components? transducer Technician A says that linings worn too thin on an air break vehicle can cause the S-camshaft to roll over technician B says this condition can cause excessive brake pedal travel who is right? Only technician A Spring brakes on a air-brake vehicle must be able to hold the vehicle facing uphill or downhill on what percent grade? 20% The driver of a truck with hydraulic brakes says the brake pedal reserve is too low technician A says the brakes could be out of alignment technician B says one brake system may have failed. Who is right? Both A and B The parking brakes fail to apply on a truck with air brakes. Technician A says this could be caused by low air pressure in the spring break chamber technician B says this could be caused by ruptured spring break diaphragm. Who is right? Neither A or B