Tests have shown that tankers can overturn at what speed on curves?
a.Only at double the posted speed limit
b.At speeds well below the posted speed limit
c.At the posted speed limit for the curve
d.Only at speeds over 70 mph
Explanation
Tests have shown that tankers can overturn at the posted speed limit for a curve. This is why tanker drivers should always take curves well below the posted speed, especially when the tank is partially loaded and surge effects are strongest.