HV Exit Exam • Set 5 Question 27 of 30
The electrical breakdown voltage of gas gaps between electrodes is influenced by:
✓
Direct Answer
Option D: All of the above
Gas breakdown voltage depends on the product of gas pressure and gap distance (Paschen's Law), electrode geometry, air density factor, and ambient humidity.
All Options
A
Gap distance between electrodes
B
Gas pressure and relative air density
C
Ambient temperature and humidity
D
All of the above
(Correct Answer)
Detailed Explanation & Context
Gas breakdown voltage depends on the product of gas pressure and gap distance (Paschen's Law), electrode geometry, air density factor, and ambient humidity.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • High Voltage Safety Officer & Switchgear Operations (HV).
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