Highway Engineering

61. For maximum strength and durability minimum percentage of cement, by weight is

1. 0.15
2. 0.2
3. 0.25
4. 0.3

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62. For night travel, the length of a valley curve should be such that the head light beam distance is the same as

1. Stopping sight distance
2. Overtaking sight distance
3. Sum of (a) and (b)
4. Difference of (a) and (b)

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63. For rapid curing cutbacks, the oil used is

1. Gasoline
2. Kerosene oil
3. Light diesel
4. Heavy diesel

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64. For the administration of road transport, a Motor Vehicle Act was enacted in

1. 1927
2. 1934
3. 1939
4. 1947

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65. For the construction of water bound macadam roads, the correct sequence of operations after spreading coarse aggregates is

1. Dry rolling, wet rolling, application of screening and application of filler
2. Dry rolling, application of filler, wet rolling and application of screening
3. Dry rolling, application of screening, wet rolling and application of filler
4. Dry rolling, application of screening, application of filler and wet rolling

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66. For the design of cement concrete pavement for corner loading, Indian Road Congress recommends the use of

1. Westergaard's formula
2. Kelly's formula
3. Goldbeck's formula
4. Picker's formula

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67. For the movement of vehicles at an intersection of two roads, without any interference, the type of grade separator generally preferred to, is

1. Delta
2. Trumpet
3. Diamond interchange
4. Clover leaf

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68. Formation width of a hill road is the distance between

1. Outer end of side drain to outer end of parapet wall
2. Outer end of side drain to inner end of parapet wall
3. Inner end of side drain to outer end of parapet wall
4. Inner end of side drain to inner end of parapet wall

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69. From the point of tangency before an intersection, the route markers are fixed at a distance of

1. 15 m to 30 m
2. 20 m to 35 m
3. 40 m to 50 m
4. 100 m to 150

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70. Full amount of extra width of a pavement on the curve, is provided at

1. Beginning of the transition curve
2. Centre of the transition curve
3. Beginning of the circular curve
4. Centre of the circular curve

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