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CHEMCO Exit Exam • Set 12 Question 4 of 30

What is related to the relaxation time of the material in which the electical charges are accumulated?

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Direct Answer

Option C: That material's conductivity

The relaxation time, which governs how quickly electrostatic charges dissipate, is directly related to a material's electrical conductivity. Higher conductivity allows for faster charge dissipation, minimizing static accumulation hazards. This principle is crucial for safety during cargo operations, as detailed in ISGOTT, particularly concerning non-conductive liquids.

All Options

A
That material's density
B
That material's viscosity
C
That material's conductivity (Correct Answer)
D
That material's flammabilty

Detailed Explanation & Context

The relaxation time, which governs how quickly electrostatic charges dissipate, is directly related to a material's electrical conductivity. Higher conductivity allows for faster charge dissipation, minimizing static accumulation hazards. This principle is crucial for safety during cargo operations, as detailed in ISGOTT, particularly concerning non-conductive liquids.

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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