מאגר שאלות תאוריה - Heavy trucks (C)

When is it obligatory to operate the speed retarder while driving downhill?

• In every downhill road section.
• Only when the slope rate is indicated in the “steep descent” sign.
• When a “dangerous descent” sign is posted.
• When the slope rate of the descent exceeds 6% and the length of the descent exceeds one kilometer.