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Electrical Engineering · Q55

Switchgear Protections

Engineering and GATE · Electrical Engineering · question 55

Q55

Which of the following circuit breakers has high reliability and minimum maintenance ?

A.
Air blast circuit breakers
B.
Circuit breaker with SF6 gas
Answer
C.
Vacuum circuit breakers
D.
Oil circuit breakers

Answer: Option B

Solution

Answer: Option B
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