HEAVY TRUCKS BRAKES EXAMS PACKAGE DEAL|ALL YOU NEED TO KNOW|DOWNLOAD TO PASS

in the AL factor the L refers to the? length of the slack adjuster Spring brakes on an air-brake vehicle must be able to hold the vehicle, facing uphill or downhill, on what percentage grade? B 20% How much free movement should exist between a slack adjuster and its camshaft? .005 i...

When a truck has no air pressure in its tanks, which warning devices are activated when the ignition key is turned on? A buzzer, a dash gauge and a red light What legislation mandates every required standard of a highway truck air brake system? FMVSS 121 If a truck is FMVSS 121 compl...

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. (CORRE...

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. (CORRE...

Which of the following air brake system components functions as a lever? the slack adjuster Which of the following components sets the system cut-in and cut-out pressures? the governor What is the function of a system safety pop-off valve? It relieves pressure from the supply tank i...

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 pe...

Which of the following is the best practice when instructed to block the wheels on a tractor/trailer combination? Place a pair of wedged wheel chocks on one tractor drive axle and one trailer axle wheel. What is the required amount of slack adjuster free travel on a properly adjusted, manual...

heat form of energy in an internal combustion engine motion heat energy produced by engine combustion is converted to in stopping a vehicle, the energy of motion turns the vehicle's wheels, the wheels wont go anywhere unless theres ______ between the tires and the road surface trac...