Arc in a circuit breaker is interrupted at
A) zero current
B) maximum current
C) minimum voltage
D) maximum voltage
Correct Answer:
Verified
Q1: Which of the following circuit breakers has
Q3: transmission line has reflection coefficient as one.
A)Open
Q4: What will be the reflection co-efficient of
Q5: The inverse definite mean time relays are
Q6: Over voltage protection is recommended for
A)hydro-electric generators
B)steam
Q7: Air blast circuit breakers for 400 kV
Q8: Overfluxing protection is recommended for
A)distribution transformer
B)generator transformer
Q9: Series capacitors are used to
A)compensate for line
Q10: Admittance relay is _ relay.
A)impedance
B)directional
C)non-directional
D)none of the
Q11: The material used for fuse must have
A)low
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