If L is the length of a moving vehicle and R is the radius of curve, the extra mechanical width b to be provided on horizontal curves,_____.

Civil Engineering : Highway Engineering - Quiz(MCQ)

LÂ³/2R

LÂ²/2R

L/2R

L/R

Correct Answer : LÂ²/2R

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In welded wire mesh, the longitudinal wire is placed at______.

10 cm centres

15 cm centres

20 cm centres

25 cm centres

Correct Answer : Option (B) : 15 cm centres

Ruling gradient on hill roads 300 m above M.S.L. is kept

Correct Answer : Option (A) : 5%

The length of a transition curve, is governed by

rate of change of super-elevation

rate of change of radial acceleration

Both (A) and (B)

Neither (A) nor (B)

Correct Answer : Option (C) : Both (A) and (B)