Which consequence arises from variations in gunpowder granulation when manufacturing early cannons?

💡 Explanation

Variable muzzle velocity occurs because inconsistent gunpowder granulation alters the surface area for combustion: coarser grains burn slower, finer, faster releasing energy unevenly; therefore cannonballs experience inconsistent accelerations, rather than consistent pressures eroding rifling.

• Which risk increased as lenses became thicker in early Islamic magnifying instruments?
• Which outcome occurs when medieval silk production's drawloom alignment drifts?
• Which environmental risk accelerates structural failure in Mughal-era buildings featuring pietra dura inlay?
• During the Viking age, which outcome most directly impacts rope bridge integrity connecting longship fleets at sea?
• Within early Chinese iron smelting, which consequence increased alongside increased sulfur content in the bloomed iron?
• Which consequence results from applying Al-Khwarizmi's algebraic methods to inheritance division, in the presence of complex family relationships?