Red Seal Bricklayer Practice Exam

Question: 1 / 400

What is referred to as 'scale' in masonry?

A type of brick pattern

A mineral deposit on bricks

In masonry, 'scale' refers specifically to a mineral deposit that forms on the surface of bricks. This buildup typically occurs due to the presence of soluble salts in masonry materials or in the water used during the construction process. When water evaporates from the surface of the bricks, these salts can crystallize, leading to discoloration or a white powdery residue, commonly known as efflorescence. This phenomenon is significant to bricklayers and masons because it can affect the appearance of the finished structure and may indicate moisture-related issues within the masonry. Addressing scale is important for maintaining the aesthetic and structural integrity of masonry work. In contrast, other options, such as patterns, measurements, or types of mortar, do not accurately capture the specific meaning of 'scale' in the context of masonry.

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A measurement of wall thickness

A type of mortar used

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