Document dn23nLpBjJ1y35zv5oKw3Y0j9

PREREQUISITE REVIEW 21. Under which of the following conditions is a vacuum brake booster vacuum-suspended? A. engine running, brakes applied B. engine running, brakes released C. engine off, brakes applied D. All of the above are correct 22. When the vacuum port is closed and the atmospheric port is open, in what position is the brake booster? A. Release B. Holding C. Applied D. Vacuum-suspended 23. When both the vacuum and atmospheric ports are closed the brake booster is: A. Released B. Holding C. Applied D. None of the above are correct. 24. Technician A says that the power steering pump provides boost pressure on the hydro-boost system. Techni cian B says that the hydro-boost system has an accumulator to provide supplemental brake assist in the event of a boost pressure loss. Who is right? A. Technician A B. Technician B C. Both Technician A and B D. Neither Technician A or B 25. Which of the following safety warnings must be followed when handling asbestos dust? A. Compressed air anchor brushes must not be used to clean asbestos from brake components. B. Asbestos dust must be placed in a sealed and labeled bag for disposal. C. A high efficiency cartridge or air line respirator must be worn to avoid breathing asbestos dust. D. All of the above answers are correct. Prereq - 6 September, 2005 Brake System Diagnosis and Repair