Highway Engineering

301. The usual width of parapet walls along Highways in hilly region, is

1. 50 cm
2. 60 cm
3. 70 cm
4. 80 cm

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302. The usual width of side drains along Highways in hilly region, is

1. 50 cm
2. 60 cm
3. 70 cm
4. 100 cm

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303. The wall constructed for the stability of a back filling portion of a road on the downhill side, is known as

1. Retaining wall
2. Breast wall
3. Parapet wall
4. All the above

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304. The wall constructed for the stability of an excavated portion of a road on the hill side, is known as

1. Retaining wall
2. Breast wall
3. Parapet wall
4. All the above

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305. The walls which are necessary on the hill side of roadway where earth has to be retained from slipping is known as

1. Retaining wall
2. Breast wall
3. Parapet wall
4. None of the above

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306. The weaving length of a roadway is the distance

1. Between the channelizing islands
2. Equal to half circumference
3. Equal to total width of adjoining radial roads
4. Equal to diameter of rotary

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307. The weight of vehicles affects

1. Pavement thickness
2. Ruling gradient
3. Limiting gradient
4. All the above

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308. The width formation of a road means the width of

1. Carriageway
2. Pavement and shoulders
3. Embankment at ground level
4. Embankment at the top level

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309. The width of different roads as recommended in Nagpur plan by the Indian Road Conference for hilly region, is

1. Same for National Highways
2. Different for National Highways
3. Same for State Highways
4. Same for Major District roads

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310. The width of pavement in addition to a gravelled berm 1 m on either side for a two directional traffic recommended by Nagpur Conference of Chief Engineers, is

1. 4.7 m
2. 5.7 m
3. 6.7 m
4. 7.7 m

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