276. If degree of a road curve is defined by assuming the standard length of an arc as 30 metres, the radius of 1° curve is equal
277. In which season is Christmas celebrated in Australia?
278. The minimum superelevation in rolling terrain in plains, is limited to
279. Traffic census is carried out for
280. In a right angle bend of a road provided with a transition throughout, the maximum polar angle will be
281. Minimum radius of curvature of National Highways or State highways in hill region free from snow, is kept
282. The best compromise between the increase of the length of a highway and reduction in its load carrying capacity, is the ruling gradient
283. The length of a transition curve, is governed by
284. Along horizontal curves, if centrifugal force exceeds lateral friction, vehicles may
285. A subsidiary area in a carriageway placed so as to control the movement of the traffic, is
286. Pick up the incorrect statement from the following. If water cement ratio is
287. Ruling gradient on hill roads 300 m above M.S.L. is kept
288. In welded wire mesh, the longitudinal wire is placed at
289. Along a hill road, a side drain is provided on
290. A district road with a bituminous pavement has a horizontal curve of 1000 m for a design speed of 75 km ph. The super-elevation is
291. The minimum value of camber provided for thin bituminous surface hill roads, is
292. Design of horizontal and vertical alignments, super-elevation, sight distance and grades, is worst affected by
293. Thickness of a pavement may be reduced considerably by
294. 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 m/sec2, for a design speed 100 km ph, is