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| Q. |
The equation of parabolic camber is given by ___________ |
| A. | y=x/a |
| B. | y=x2/a |
| C. | y=x3/a |
| D. | y=ax2 |
| Answer» B. y=x2/a | |
| Explanation: the general equation is expressed as y=x2/a, where a=nw/2 for a pavement width of w and cross slope of 1 in n. | |
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