# Civil Engineering Objective Questions { Highway Engineering }

218.  A subsidiary area in a carriageway placed so as to control the movement of the traffic, is

219. The total length of a valley formed by two gradients ? 3% and + 2% curve between the two tangent points to provide a rate of change of centrifugal acceleration 0.6 misec2. for a design speed 100 km ph, is

220. Extra widening required at a horizontal curve on a single lane hill road of radius 80 In for a design speed of 50 km ph and for a vehicle with wheel base 6.0 m is

221. In a braking test, a vehicle travelling at 36 km ph was stopped at a braking distance of 8.0 m. The average value of the vehicle's skid resistance (friction coefficient) is

222. The absolute minimum radius of horizontal curve for a design speed 60 km ph is

223. The absolute minimum sight distance required for stopping a vehicle moving with a speed of 80 km ph, is

224. Over taking time required for a vehicle with design speed 50 km ph and overtaking acceleration 1.25 m/sec2 to overtake a vehicle moving at a speed 30 km ph, is

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