Highway Engineering

311. The width of road pavements, depends upon

1. Width of traffic lane
2. Number of traffic
3. Width of median strip
4. All the above

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312. The width of the right of way in urban area, is kept between 24 m to 60 m for

1. National Highways
2. State Highways
3. Both (a) and (b)
4. None of these

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313. The width of the right of way, is influenced by

1. Formation width
2. Shoulders or berms
3. Classification of road
4. All the above

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314. Thickness of a pavement may be reduced considerably by

1. Compaction of soil
2. Stabilisation of soil
3. Drainage of soil
4. Combination of all the above

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315. Thickness of broken centre line markings for a four lane road, is generally kept

1. 10 cm
2. 12 cm
3. 15 cm
4. 18 cm

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316. Thickness of broken line markings on multi-lane road for lanes is generally kept

1. 10 cm
2. 12 cm
3. 15 cm
4. 18 cm

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317. Three points A, B and C 500 m apart on a straight road have 500 m, 505 m and 510 m as their reduced levels. The road is said to have

1. No gradient between A and C
2. A positive gradient between A and C
3. A negative gradient between A and C
4. A negative gradient between A and B

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318. Tie bars in cement concrete pavements are at

1. Expansion joints
2. Contraction joints
3. Warping joints
4. Longitudinal joints

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319. To compensate the loss of tractive force of vehicles along curves of radius R, the percentage reduction of gradient, is

1. 50/R
2. 75/R
3. 100/R
4. 125/R

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320. To ensure that bullock carts may not overturn on curves, the maximum value of super-elevation, recommended by I.R.C., is

1. 1 in 10
2. 1 in 12
3. 1 in 15
4. 1 in 20

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