Technician A says that to check the operation of a vacuum brake ...

[kodithompson]

Technician A says that to check the operation of a vacuum brake booster, the brake pedal should be depressed until the assist is depleted and then start the engine. Technician B says that the brake pedal should drop when the engine starts, if the booster is okay. Which technician is correct?
 
  A) Technician A only B) Technician B only C) Both technicians D) Neither technician

Question 2

Master cylinder covers must be vented to ________.
 
  A) Allow fluid to escape when it heats up B) Create a vacuum
  C) Allow for fluid expansion and contraction D) Allow air to enter the system

[marict]

Answer to Question 1

C

Answer to Question 2

C

[kodithompson]

TYSM

[gcook]

Gracias!