OCTCO/OCTF Exit Exam • Set 4 Question 15 of 30
The electrostatic field strength which is sufficient to cause breakdown of air or petroleum gases is about?
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Direct Answer
Option B: 3000 Kilovolts/meter
An electrostatic field strength of approximately 3,000 kilovolts per meter (3 kV/mm) is required to break down the dielectric strength of air or petroleum gas and cause an incendiary spark discharge.
All Options
A
5000 Kilovolts/meter
B
3000 Kilovolts/meter
(Correct Answer)
C
3000 Volts/ meter
D
5000 Volts/meter
Detailed Explanation & Context
An electrostatic field strength of approximately 3,000 kilovolts per meter (3 kV/mm) is required to break down the dielectric strength of air or petroleum gas and cause an incendiary spark discharge.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Oil and Chemical Tanker Cargo Operations (OCTCO/OCTF).
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