Highway Engineering

241. The fundamental factor in the selection of pavement type is

1. Climatic condition
2. Type and intensity of traffic
3. Sub-grade soil and drainage conditions
4. Availability of funds for the construction project

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242. The G.T. road from Lahore to Calcutta in undivided India, was constructed during

1. 3495-3500 BC
2. 265-270 BC
3. 1540-1545 AD
4. 1440-1450 AD

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243. The gradients of trace cuts for hilly roads, are kept

1. Equal to ruling gradient
2. 10 to 20 per cent easier than ruling gradients
3. 10 to 20 per cent steeper than ruling gradients
4. None of these

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244. The group index for a soil, whose liquid limit is 40 percent, plasticity index is 10 percent and percentage passing 75 micron IS sieve

1. 0
2. 3
3. 5
4. 7

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245. The head light of vehicles should be such that its lower beam illuminates objects at

1. 10 m
2. 20 m
3. 30 m
4. 40 m

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246. The head of public works department of any Indian state, is

1. Transport Minister
2. Chief Engineer
3. Superintending Engineer
4. Executive Engineer

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247. The ideal shape of a transition curve, is

1. Clothoid
2. Cubic spiral
3. Cubic parabola
4. Lamniscate

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248. The inventor of road making as a building science, was

1. Sully
2. Tresguet
3. Telford
4. Macadam

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249. The length of a transition curve, is governed by

1. Rate of change of radial acceleration
2. Rate of change of super-elevation
3. Both (a) and (b)
4. Neither (a) nor (b)

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250. The length of the side of warning sign boards of roads is

1. 30 cm
2. 40 cm
3. 45 cm
4. 50 cm

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