In a lemniscate curve the ratio of the angle between the tangent at the end of the polar ray and the straight, and the angle between the polar ray and the straight, is (A) 2 (B) 3 (C) 4/3 (D) 3/2

In a lemniscate curve the ratio of the angle between the tangent at the end of the polar ray and
the straight, and the angle between the polar ray and the straight, is
(A) 2
(B) 3
(C) 4/3
(D) 3/2
by

1 Answer

Answer :

(D) 3/2
by

Related questions

The ratio of maximum deviation angle and maximum polar deflection angle of a Lemniscate curve, isA) 2 (B) 3 (C) 4 (D) 5

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The maximum radial distance of a Lemniscate curve, having maximum polar angle a, is (A) 3 R (B) 3 R sin2 (C) 3 R (D) 3 R

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If a Lemniscate curve of transition throughout is introduced to connect two parallel roads, the maximum polar angle of the curve, is (A) 10° (B) 15° (C) 20° (D) 30°

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A lemniscate curve will not be transitional throughout, if its deflection angle, is (A) 45° (B) 60° (C) 90° (D) 120°

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Setting out of Lemniscate transition curves, is done with (A) Perpendicular offsets (B) Radial offsets (C) Deflection angles (D) Polar deflection angles

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The properties of autogenous curve for automobiles are given by (A) True spiral (B) Cubic parabola (C) Bernoulli's Lemniscate (D) Clothoid spiral

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If is the length of a sub-chord and is the radius of simple curve, the angle of deflection between its tangent and sub-chord, in minutes, is equal to (A) 573 S/R (B) 573 R/S (C) 1718.9 R/S (D) 1718.9 S/R

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If the long chord and tangent length of a circular curve of radius R are equal the angle of deflection, is (A) 30° (B) 60° (C) 90° (D) 120°

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The angle of intersection of a curve is the angle between (A) Back tangent and forward tangent (B) Prolongation of back tangent and forward tangent (C) Forward tangent and long chord (D) Back tangent and long chord

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Pick up the correct statement from the following: (A) Long tangent sections exceeding 3 km in length should be avoided (B) Curve length should be at least 150 metres for a deflection angle of 5 degree (C) For every degree decrease in the deflection angle, 30 metre length of curve to be increased (D) All the above

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If the radius of a main curve is 300 m and length of the transition curve is 100 m, the angle with tangent to locate the junction point, is (A) 1° 11' (B) 2° 11' (C) 3° 11' (D) 4° 11'

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If the length of a transition curve to be introduced between a straight and a circular curve of radius 500 m is 90 m, the maximum deflection angle to locate its junction point, is (A) 1°43' 08" (B) 1°43' 18" (C) 1°43' 28" (D) 1°43' 38"

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For water-ethanol system, the minimum reflux ratio (A) Is computed from the slope of the upper operating line that is tangent to the equilibrium curve (B) Is computed from the intercept of the operating line (C) Cannot be computed (D) Is the optimum reflux ratio

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