OCTCO/OCTF Exit Exam • Set 2 Question 4 of 30
What is auto-ignition temperature of a flammable liquid?
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Direct Answer
Option C: Lowest temperature at which vapor ignites spontaneously without external spark
Auto-ignition temperature defines the threshold where flammable vapor spontaneously ignites in the absence of an external spark or flame, representing a critical safety limit during cargo operations.
All Options
A
Vacuum boiling point
B
Sea temp
C
Lowest temperature at which vapor ignites spontaneously without external spark
(Correct Answer)
D
Freezing point
Detailed Explanation & Context
Auto-ignition temperature defines the threshold where flammable vapor spontaneously ignites in the absence of an external spark or flame, representing a critical safety limit during cargo operations.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Oil and Chemical Tanker Cargo Operations (OCTCO/OCTF).
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