Which risk increases when medieval masons used lime impurely?

💡 Explanation

Increased free lime causes expansive CRYSTALLIZATION, because quicklime converts to calcium hydroxide that continues reacting in humid conditions; therefore efflorescence develops with disfigurement, rather than the intended cohesive bind that good slaking provides.

• Which navigational refinement occurs when a chronometer is coupled with lunar observations in 18th-century maritime navigation?
• Which consequence resulted from the destruction of Roman fortifications?
• Which error increases when an astrolabe's ecliptic plane is significantly warped during construction?
• Which outcome results from exceeding the Curie temperature in early magnetic compass needles?
• Which limitation primarily drove early Bronze Age metallurgists to alloy arsenic with copper during smelting?
• Which manufacturing risk delayed large-scale bronze mirror production in ancient Egypt?