NPORS Plant Operator Theory Practice Questions - UK NPORS Plant Operator Theory Test (N001 N202) Exam

What is 'electrical arcing' in relation to high-voltage overhead power lines and plant machinery?

The spark produced inside diesel engine glow plugs during cold starting The rapid battery drain caused by operating electric plant accessories in freezing weather Electrical current reversing back into the main power grid generation station Electricity jumping across an air gap to the machine structure without physical contact occurring

Correct Answer:

Electricity jumping across an air gap to the machine structure without physical contact occurring

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