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General Industry – Electrical Hazards Quiz

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General Industry – Electrical Hazards Quiz

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Questions and Answers

What causes an arc flash?

Low temperatures

High-voltage gap and breakdown between conductors (correct)

Excessive humidity

Proximity to water

Which of the following is NOT listed as a cause of arc flash in the text?

Corrosion

Dust

Accidental touching

Plastic materials (correct)

What factor does NOT determine the severity of an arc flash injury?

Color of the conductors (correct)

Temperature

Time for circuit to break

Proximity of the worker to the hazard

Which of the following is NOT a consequence of an arc flash?

Electromagnetic interference (B) Signup and view all the answers

What type of burns can be caused by an arc flash?

Electrical burns (A) Signup and view all the answers

Which of the following is NOT a cause of electrical fires according to the text?

'Fixed lighting' issues (B) Signup and view all the answers

What can high-voltage arcs produce besides thermal radiation?

'Hot' pressure waves (B) Signup and view all the answers

What determines the intensity of an arc blast?

'Rapid' heating of the air (D) Signup and view all the answers

What kind of injury can be caused by accidental touching in relation to electrical hazards?

'Physical' injury (C) Signup and view all the answers

'Faulty insulation' is a common cause of what type of hazard?

'Electrical' hazard (D) Signup and view all the answers