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CHEMCO Exit Exam • Set 10 Question 25 of 30

When required to work in an area where explosive gases may accumulate, you should use tools which are

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Direct Answer

Option D: non-sparking

In hazardous areas where explosive gases may accumulate, non-sparking tools are mandatory to prevent ignition. These tools, often made of brass, bronze, or copper alloys, significantly reduce the risk of creating sparks that could ignite flammable atmospheres, as emphasized by ISGOTT for safe operations.

All Options

A
approved by the Coast Guard
B
high carbon steel
C
fixed with a ferrous cover
D
non-sparking (Correct Answer)

Detailed Explanation & Context

In hazardous areas where explosive gases may accumulate, non-sparking tools are mandatory to prevent ignition. These tools, often made of brass, bronze, or copper alloys, significantly reduce the risk of creating sparks that could ignite flammable atmospheres, as emphasized by ISGOTT for safe operations.

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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