Physics · Civil Engineering Materials
Determine the approximate proportion of dry cement mortar required for brickwork with bricks of nominal size 19 cm × 9 cm × 9 cm, with 20% extra for frog filling and wastage. (Assume 1 m 3 of wet mortar = 1.25 m 3 of dry mortar.)
- 134.5%✓
- 241.0%
- 336.3%
- 426.5%
Correct answer
34.5%
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