Lower flammable limit (LFL) or Lower Explosive Limit (LEL), is usually expressed:
Direct Answer
Option C: in volume percent
The Lower Flammable Limit (LFL) or Lower Explosive Limit (LEL) is universally expressed as a percentage of the total volume of the atmosphere. This represents the minimum concentration of flammable gas or vapour in air required for ignition, as per ISGOTT guidelines.
All Options
Detailed Explanation & Context
The Lower Flammable Limit (LFL) or Lower Explosive Limit (LEL) is universally expressed as a percentage of the total volume of the atmosphere. This represents the minimum concentration of flammable gas or vapour in air required for ignition, as per ISGOTT guidelines.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Chemical Tanker Cargo Operations (CHEMCO).
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