Which risk increases in a high-performance internal combustion engine encountering crankshaft torsional resonance?

💡 Explanation

When crankshaft torsional resonance occurs, amplified twisting vibrations develop because the engine's firing impulses match a natural frequency, accelerating fatigue crack growth. Therefore, crankshaft failure increases, rather than valve timing issues, bearing wear, or cylinder head overheating, which involve separate issues.

• Which outcome occurs following sustained overload in power transformer circuit breaker protection?
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• Which consequence results when increased reverse voltage in Zener diodes?