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    Testing and Commissioning of Electrical Equipment
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    Exam 2: Electrical Protection and Transmission Line Characteristics
  5. Question
    Interruption of Large Currents by Relay Requires
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Interruption of Large Currents by Relay Requires

Question 19

Question 19

Multiple Choice

Interruption of large currents by relay requires


A) arc suppressing blow out coils
B) wide separation of the opened contacts
C) high speed opening of contacts
D) all of the above

Correct Answer:

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