183.  If the rate of gain of radial acceleration is 0.3 m per sec3 and full centrifugal ratio is developed. On the curve the ratio of the length of the transition curve of same radius on road and railway, is
A.2.828
B.3.828
C.1.828
D. 0.828.

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184. With usual notations, the expression -'17 represents gR
A. centrifugal force
B. centrifugal ratio
C. super elevation
D. radial acceleration.

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185.  An ideal transition curve is
A. cubic parabola
B. cubic spiral
C. clothoid spiral
D. true spiral.

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186.  Perpendicular offset from a tangent to the junction of a transition curve and circular curve is equal to
A. shift
B. twice the shift
C. thrice the shift
D. four times the shift.

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187.  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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188.  If the radius of a simple curve is R, the length of the chord for calculating offsets by the method of chords produced, should not exceed.
A. R/10
B. RI15
C. R/20
D. R/25.

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189.  If the radius of a simple curve is 600 m, the maximum length of the chord for calculating offsets, is taken
A. 10 m
B. 15 m
C. 20 m
D. 30 m.

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