Highway Engineering

231) The value of ruling gradient in plains as per IRC recommendation is

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1 in 30

232) The background colour of the informatory sign board is

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yellow

233) “Dead Slow” is a

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regulatory sign

234) Which of the following is indicated by a warning sign?

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level crossing

235) If the group index value of subgrade is between 5 and 9, then the subgrade is treated as

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poor

236) The thickness of bituminous carpet varies

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20 to 25 mm

237) In highway construction on superelevated curves, the rolling shall proceed from

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lower edge towards the upper edge

238) Expansion joints in cement concrete pavements are provided at an interval of

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18 m to 21 m

239) Which of the following represents a carpet of sand-bitumen mix without coarse aggregates?

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sheet asphalt

240) Select the incorrect statement.

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Dowel bars are provided in longitudinal joints

Subject Notes

Objective Box

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