What characterizes masonry cement?

Masonry cement is specifically formulated to provide enhanced properties for use in masonry applications, such as bricklaying and stonework. This type of cement includes a combination of Portland cement and various other materials like expansion agents, mineral fillers, and sometimes lime, which together create a product that maintains the workability, adhesion, and durability required for masonry work.

The statement that masonry cement can be used in place of Portland cement and lime is correct because it serves the dual purpose of combining the functionalities of both materials. This reduces the need for mixing separate products on-site, streamlining the construction process and improving consistency in the properties of the mortar or grout being used.

In contrast, masonry cement is not exclusively Portland cement, as it typically contains additional components designed for masonry applications. It also can vary in bag size but is not limited to a specific size like 2 cubic feet. Lastly, masonry cement does contain lime or a substitute to enhance its performance, contradicting the option that it does not contain any lime. Thus, the characteristics and formulations of masonry cement establish its uniqueness and suitability for masonry tasks, making the option regarding its interchangeable use with Portland cement and lime the most accurate.