Highway Engineering

31. Camber in pavements is provided by

1. Straight line method
2. Parabola method
3. Straight at the edges and parabolic at the crown
4. All the above

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32. Cement grouted pavement is classified as

1. Rigid pavement
2. Semi-rigid pavement
3. Flexible pavement
4. None of these

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33. Concrete pavement is provided if daily traffic per lane exceeds

1. 500 tonnes
2. 750 tonnes
3. 1000 tonnes
4. 1250 tonnes

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34. Curves in the same direction separated by short tangents, are called

1. Simple circular curves
2. Compound curves
3. Transition curves
4. Broken-back curves

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35. Customers prefer parking of their vehicles at

1. 90° to aisles
2. 85° to aisles
3. 80° to aisles
4. 75° to aisles

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36. Degree of a road curve is defined as the angle in degrees subtended at the centre by an arc of

1. 10 metres
2. 20 metres
3. 25 metres
4. 30 metres

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37. Depth of reinforcement below the surface of a concrete pavement, is generally kept

1. 5 cm
2. 6 cm
3. 7 m
4. 9 m

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38. Design of flexible pavement, involves

1. Wheel loads
2. Intensity of traffic
3. Climate of the region
4. Sub-grade conditions

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39. Design of flexible pavements is based on

1. Mathematical analysis
2. Empirical formulae
3. A compromise of pure theory and pure empirical formula
4. None of these

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40. Design of highways is based on

1. Axle loads
2. Axle spacings
3. Wheel bases
4. All the above

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