Section Summary Questions

  1. What is the maximum time permitted for the  compressor to build from 50 P.S.I. to 90 P.S.I.?
  2. What is the maximum pressure loss permitted on a full brake application with the motor shut off?
  3. How can the holding power of the trailer brakes be tested?
  4. Should all drivers be able to adjust ‘S’ cam and drum braking systems?
  5. What is the final brake test that should be made before the vehicle is put into service?
  6. What tests must be made at a ‘truck stop here’ sign posted before a steep or long downgrade?
  7. What are three ways to check the condition of a vehicles braking system?
  8. Is a brake adjustment part of the air brake test given by the Motor Vehicle Department?
  9. Do the brake adjustment specifications differ between the ‘S’ cam and drum system and the disc brakes system?
  10. When should the brakes be checked after an adjustment has been made?