During high-speed airflow compression in a jet engine intake, which outcome results when molecular vibration increases beyond a threshold?

💡 Explanation

Increased vibration stimulates molecular bond breaking vis a vis the Lindemann mechanism, reducing available chemical energy; therefore, combustion efficiency drops rather than increasing because energy is dissipated by molecular dissociation rather than directly driving thrust.

• Which outcome occurs inside a PEM fuel cell when catalyst platinum nanoparticles agglomerate?
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