מאגר שאלות תאוריה - Heavy trucks (C)

When is it obligatory to operate the vehicle speed retarders?

• When driving in a road section where a “dangerous descent” sign is placed.
• When driving in a road section before which a “sharp curve” sign is placed.
• When driving in a road section before which a “hairpin curve” sign is placed.
• When driving in a road section before which a “danger of sliding” sign is placed.