Q31. Asphalt content in bituminous mix is usually around?
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Q32. Which is used to estimate pavement thickness?
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Q33. Dowel bars are used to?
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Q34. Skid resistance of pavement depends mainly on?
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Q35. Cement concrete pavements are classified as?
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Q36. Role of seal coat over pavement is?
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Q37. Typical thickness of asphalt wearing course is?
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