Highway Engineering

231. The direct interchange ramp involves

1. Diverging to the right side and merging from left
2. Diverging to the left side and merging from right
3. Diverging to the right side and merging from right
4. Diverging to the left side and merging from left

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

1. Sight distance
2. Stopping distance
3. Lag distance
4. None of these

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233. The distance travelled by revolving the wheel of a vehicle more than its circumferential movement, is known as

1. Slip
2. Skid
3. Neither (a) nor (b)
4. Both (a) and (b)

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234. The drain which is provided parallel to roadway to intercept and divert the water from hill slopes is known as

1. Sloping drain
2. Catch-water drain
3. Side drain
4. Cross drain

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235. The ductility value of bitumen for suitability in road construction should not be less than

1. 30 cm
2. 40 cm
3. 50 cm
4. 60 cm

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236. The efficiency of the brakes of a vehicle depends upon

1. Condition of road surface
2. Condition of the tyres
3. Presence of the show moisture
4. All the above

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237. The first stage of deciding the alignment of a hill road, is

1. Reconnaissance
2. Detailed survey
3. Trace-out
4. Preliminary survey

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238. The formula for calculating the depth of concrete pavements suggested by Gold beck, is

1. d = 3W/σ_max
2. d =√(3W/σ_max)
3. d =√(2W/σ_max)
4. d =√(1.5W/σ_max)

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239. The full width of land acquired before finalising a highway, alignment is known

1. Width of formation
2. Right of way
3. Carriage way
4. Roadway

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240. The function of an expansion joint in rigid pavements is to

1. Relieve warping stresses
2. Relieve shrinkage stresses
3. Resist stresses due to expansion
4. Allow free expansion

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