What is the main purpose of oil in oil circuit breakers?
A) Provide insulation
B) Quenching ar(C)
C) Provide cooling of contacts.
D) None of the above
Correct Answer:
Verified
Q9: Which of the following circuit breaker is
Q10: The rating of the circuit breaker is
Q11: Which among these circuit breakers produce the
Q12: A thermal protection switch provides protection against
Q13: What does protective relay provide?
A)Provide additional safety
Q15: What is the advantage of using oil
Q16: When does the arc interruption in oil
Q17: For rural electrification in India, which circuit
Q18: Keeping in view the cost and the
Q19: To limit current chopping in vacuum circuit
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