Swiss Category C Theory (Truck) Practice Questions - Switzerland Driving Theory Test - Category C (Heavy Motor Vehicles) Exam

How does the Spring-Loaded Parking Brake Cylinder (Federspeicherbremszylinder) function in a truck?

It uses a heavy mechanical coil spring to apply the parking brake; compressed air pressure (Circuit 3) is required to overcome the spring and release the brake It requires continuous high hydraulic oil pressure to apply the brake It applies braking force only when the driver steps on the accelerator It works purely through magnetic attraction

Correct Answer:

It uses a heavy mechanical coil spring to apply the parking brake; compressed air pressure (Circuit 3) is required to overcome the spring and release the brake

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