Rwanda Driving Theory Test Practice Questions - Rwanda RNP Provisional Driving License Theory Test Exam

What is the purpose of brake fluid in a hydraulic braking system?

It transfers hydraulic pressure from the brake pedal to the wheel brake calipers/cylinders. It cools the engine block during braking. It circulates through the brake discs to carry heat away from them. It cleans exhaust gases before emissions.

Correct Answer:

It transfers hydraulic pressure from the brake pedal to the wheel brake calipers/cylinders.

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