According to Rule 38, how much raw material is needed to make 1 cubic yard of mortar?

The correct answer is based on the relationship between the raw materials used for making mortar and the final volume of the mortar produced. According to construction guidelines, specifically Rule 38, it requires 38 cubic feet of raw materials to produce 1 cubic yard (which is equivalent to 27 cubic feet) of mortar. This discrepancy occurs due to the fact that when mixing, some of the volume decreases as the materials settle and bond together, hence more raw material is needed to create the desired end product.

Understanding this principle is essential for ensuring that the correct amount of materials are mixed for construction projects, allowing for proper strength and consistency in the mortar used for masonry work. Knowing how material volume conversion works in masonry helps in planning and executing building tasks effectively.