Surveying - Engineering
Q1: If α is the angle between the polar ray and the tangent at the point of commencement of a lemniscate curve, the equation of the curve, isA
l = ksin α
B
l = ksin 2α
C
l = ksin 3α
D
l = ktan 2α
E
l = kcos 2α
ANS:B - l = ksin 2α The shortest distance between the point of commencement and point of a tangent I'm circular curve is?
At the point of commencement. The curve takes only &alpha angle. not 2* α. So, option A is the right one.
Option (b) will be correct, as the length of lemniscate curve is: |
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