Quiz: What causes washboard roads?

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About This Quiz

Washboard roads are common in rural areas. How knowledgeable are you on washboard roads? Take this quiz and find out.

What causes washboard roads?

When a car travels on an unpaved road, a wavy pattern will ultimately develop. At first, tiny ripples form and then they get larger as more cars pass over them. <a href="http://adventure.howstuffworks.com/outdoor-activities/ranch-life/what-causes-washboard-roads.htm">What causes washboard roads?</a>

Why are washboard roads called washboard roads?

Washboard roads are so named because their wavy pattern resembles an old-fashioned metal washboard. <a href="http://adventure.howstuffworks.com/outdoor-activities/ranch-life/what-causes-washboard-roads.htm">What causes washboard roads?</a>

Which of the following statements is true?

While washboard roads are familiar to drivers on country roads around the world, the phenomenon occurs elsewhere in science and technology. Whenever a sideways force acts on a malleable surface, ripples occur. <a href="http://adventure.howstuffworks.com/outdoor-activities/ranch-life/what-causes-washboard-roads.htm">What causes washboard roads?</a>

What is another example of the washboard phenomenon?

Whenever a sideways force acts on a malleable surface, ripples occur. You may have seen the same little ripple on wind or water-driven sand at the beach and on moguls that develop on ski hills. <a href="http://adventure.howstuffworks.com/outdoor-activities/ranch-life/what-causes-washboard-roads.htm">What causes washboard roads?</a>

Why are washboard roads dangerous?

Washboard roads are often more than just nuisances because they can encourage unsafe driving speeds, damage suspension systems and increase road maintenance costs. <a href="http://adventure.howstuffworks.com/outdoor-activities/ranch-life/what-causes-washboard-roads.htm">What causes washboard roads?</a>

Which of the following statements is true?

Washboard roads are particularly prevalent when weather conditions are dry. Frequent rainfall reduces the chances of washboarding. <a href="http://adventure.howstuffworks.com/outdoor-activities/ranch-life/what-causes-washboard-roads.htm">What causes washboard roads?</a>

Washboard roads are often worse in areas with what?

Hard acceleration or braking can speed up the washboarding process, and that helps explain why you'll see it frequently at intersections, before and after sharp curves, business entrances, and even driveways. If a car’s tires lose a firm grip on the road and begin to spin or skid, some gravel will be displaced. If this happens repeatedly, the gravel will be displaced, often uniformly, and a washboard pattern will form. <a href="http://adventure.howstuffworks.com/outdoor-activities/ranch-life/what-causes-washboard-roads.htm">What causes washboard roads?</a>

Washboard roads are more prevalent on what?

Washboarding occurs most frequently if the surface quality of the road is poor, whether it's sand, gravel or even pavement. When a heavy load passes over the surface repeatedly, it develops irregularities like washboard patterns. <a href="http://adventure.howstuffworks.com/outdoor-activities/ranch-life/what-causes-washboard-roads.htm">What causes washboard roads?</a>

What's another common problem associated with poorly surfaced roads?

Potholes are a common result of poor quality surfaces. <a href="http://adventure.howstuffworks.com/outdoor-activities/ranch-life/what-causes-washboard-roads.htm">What causes washboard roads?</a>

Which of the following statements is true?

If you travel dirt roads frequently, you know that you can find an ideal speed that will help smooth out the ride. That’s the speed at which your car’s suspension system is pushing the car down at the same time you experience a dip in the road. The problem is that the more the tires press down, the worse the washboard depression becomes. <a href="http://adventure.howstuffworks.com/outdoor-activities/ranch-life/what-causes-washboard-roads.htm">What causes washboard roads?</a>

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