Quiz #2

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ptatohed

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During design, increasing the radius of a horizontal curve

I. Typically provides for a safer, more comfortable, and more aesthetically pleasing design
II. Results in a sharper curve
III. Should be avoided if the use of two smaller compound curves is feasible
IV. Results in a smaller rate of curvature, D
V. Results in a larger rate of curvature, D

A.) I and IV
B.) I and V
C.) II, III, and IV
D.) I, II, and V

 
B

A

 
Last edited by a moderator:
Nice job guys.

The Correct answer is A.

I is true - the larger the curve, the better, generally speaking, even if larger than the design minimum.

II is not true - a larger radius results in a "flatter" curve, not a sharper curve.

III is not true - fewer larger radius curves are always preferable to smaller one(s).

IV is true - Since Do = 5729.6' / R', an increase in R will result in a smaller D.

V is not true.

 
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