Computer · Highway Engineering
The base course of a Water Bound Macadam (WBM) road consists of:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1120 to 180 mm stone placed on their ends upwards + 50 mm stone Macadam + water + 2 layers of metal each 150 mm thick + Rolled + Screenings applied.✓
- 2120 to 180 mm stone placed on their ends upwards + 50 mm stone Macadam + water + 2 layers of metal each 150 mm thick.
- 3120 to 180 mm stone placed on their ends upwards + 50 mm stone Macadam + water.
- 4120 to 180 mm stone placed on their ends upwards.
Correct answer
120 to 180 mm stone placed on their ends upwards + 50 mm stone Macadam + water + 2 layers of metal each 150 mm thick + Rolled + Screenings applied.
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