GSK Exit Exam • Set 3 Question 6 of 30
The flammable range of a gas is
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Direct Answer
Option D: Between the LFL and UFL in air
The flammable range, or explosive limits, of a gas mixture in air is defined by the concentrations that can support combustion. It lies between the Lower Flammable Limit (LFL) and the Upper Flammable Limit (UFL).
All Options
A
Between LFL and UFL in hydrogen
B
Above UFL
C
Below LFL
D
Between the LFL and UFL in air
(Correct Answer)
Detailed Explanation & Context
The flammable range, or explosive limits, of a gas mixture in air is defined by the concentrations that can support combustion. It lies between the Lower Flammable Limit (LFL) and the Upper Flammable Limit (UFL).
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • General Ship Knowledge (GSK).
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