technician a says that the brake pedal will get spongy if the brake fluid gets hot enough to boil. technician b says that when drum brakes get hot, the pedal will drop because the drum expands away from the shoes. Tech B technician is correct.
Vehicle hydraulic brake and clutch applications employ brake fluid, a type of hydraulic fluid. It is in charge of amplifying the braking force and converting force into pressure. Simply put, when you press down on the brake pedal, braking fluid converts the force into pressure on the front and rear brakes, which then causes the car to come to a complete stop. Since liquids cannot be compressed, it functions.
Brake fluid is ideal for use in hydraulic braking systems since it cannot be compressed. It may function in conditions of high pressure and temperature, such as those produced when an automobile is coming to a stop.
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