AFF Exit Exam • Set 6 Question 18 of 30

Through which of the listed processes is sufficient heat produced to cause spontaneous ignition?

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Direct Answer

Option D: Heat of oxidation

Spontaneous ignition occurs when combustible materials generate enough heat internally to reach their ignition temperature without an external ignition source. This process is primarily driven by the heat of oxidation, where slow chemical reactions release heat over time.

All Options

A

Heat of condensation

B

Heat of vaporization

C

Heat of radiation

D

Heat of oxidation (Correct Answer)

Detailed Explanation & Context

Spontaneous ignition occurs when combustible materials generate enough heat internally to reach their ignition temperature without an external ignition source. This process is primarily driven by the heat of oxidation, where slow chemical reactions release heat over time.

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Fire Fighting (AFF).

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