Civil Engineering MCQJE Level Civil Engineering
The length of long chord of a simple circular curve is:
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Choose the correct answer
A
R tan(Delta/2)
B
2R tan Delta
C
R Delta/2
D
2R sin(Delta/2)
Correct Answer
D. 2R sin(Delta/2)
Why is this the answer?
The chord joining tangent points subtends central angle Delta, so long chord = 2R sin(Delta/2).
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