Which consequence followed repeated heavy use of cast iron cannons with early gunpowder formulas?

A)Increased barrel crack propagation risk✓

B)Lower projectile muzzle velocity

C)Decreased combustion chamber pressure

D)Corrosion in the targeting mechanism

💡 Explanation

Repeated use caused microscopic cracks with initial cast then thermal cycling encouraged crack propagation because the gunpowder caused inconsistent explosion pressures; therefore, the barrel cracked, rather than velocity changes or corrosion.

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Which consequence followed repeated heavy use of cast iron cannons with early gunpowder formulas?

💡 Explanation

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