מאגר שאלות תאוריה - Heavy trucks (C)

What is a “speed retarder”?

• An electric or hydraulic mechanism, independent of the vehicle’s braking system, which decelerates the vehicle when operated.
• An electric mechanism installed in the braking system that shuts-off the engine and helps the vehicle to maintain constant speed on all roads.
• A system installed in the vehicle that assists in emergency braking and stops the vehicle on the spot.
• An electronic system which automatically operates the brakes while driving on a steep decent, thus preventing brake overheating and brake loss.