Safe Driving第 65 / 80 题
Speed on a downgrade with a loaded bus should be controlled by:
a.Riding the service brakes the whole way
b.Shifting to neutral to coast
c.Selecting a low gear and using proper braking technique before the grade
d.Speeding up to get it over with
解析
Before starting down a long, steep grade, shift to a low gear and keep your speed in check so the brakes do not overheat. Continuous braking can cause brakes to fade and fail. A heavy, loaded bus needs extra care on downgrades.
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