Q. To prevent movement of moisture from subgrade to road pavement on embankments about 0.6 m to 1 m higher than water table, the thickness of cut off layer of coarse sand used, is

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Q. The statement, regarding the size of stones used at the wearing surface. "The size of a stone used on a road must be in due proportion to the space occupied by a wheel of ordinary dimensions on a smooth level surface. The point of contact will be found to be longitudinal about 2.5 cm and every piece of stone put into the road which exceeds 2.5 cm in any of its dimension is mischievious" was made by

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Q. If L metres is the distance between extreme axles of a vehicle, its gross load should not exceed

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Q. If V is the design speed of vehicles in km/hour, the change of radial acceleration in metres/sec³, is

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Q. Volume of traffic which is due to improvement carried out in adjacent area, is known as

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Q. Roughness index of roads, is expressed as

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Q. Pick up the correct statement from the following:

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

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Q. The tangent length of a simple circular curve of radius R deflecting through θ°, is

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Q. Which one of the following transportation systems is not used for the conveyance of passengers in India?

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

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Q. On a pavement with parabolic camber, the angle of inclination of the vehicles will be

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Q. The difference in gradients after full super-elevation and the initial alignment of a road, is known as

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Q. If the radius of a main curve is 300 m and length of the transition curve is 100 m, the angle with tangent to locate the junction point, is

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Q. Minimum radius of a simple circular curve deflecting through 5°, is

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Q. When a number of hair pin bends are introduced, a minimum intervening distance in between is kept

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Q. The distance travelled by a moving vehicle during perception and brake reaction times, is known as

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Q. Following type of pavement is generally known as flexible pavement

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Q. The minimum width of the pavement of a National Highway should be

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Q. If the radius of curvature of a hill road is 50 m, the percentage grade compensation should be

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