A self-contained breathing apparatus
Direct Answer
Option B: Is used for entry in enclosed spaces
A Self-Contained Breathing Apparatus (SCBA) provides a supply of clean breathing air and is essential for entering potentially hazardous atmospheres. Its primary use is for entry into confined spaces where the air may be deficient in oxygen or contaminated with toxic gases.
All Options
Detailed Explanation & Context
A Self-Contained Breathing Apparatus (SCBA) provides a supply of clean breathing air and is essential for entering potentially hazardous atmospheres. Its primary use is for entry into confined spaces where the air may be deficient in oxygen or contaminated with toxic gases.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • General Ship Knowledge (GSK).
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