Technician A says that drum brakes can fail to slow the vehicle if driven through deep water. Technician B says that when drum brakes get hot, the brake pedal will drop because the drum expands away from the shoes. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Question 2
What causes the pressure to increase on one side of the hydraulic system during a turn?
A) The speed of the pump B) Action of the rotary valve
C) Temperature of the fluid D) The speed of the vehicle
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