In a single bus-bar system there will be complete shut down when
A) fault occurs on the bus itself
B) fault occurs on neutral line
C) two or more faults occur simultaneously
D) fault occurs with respect to earthing
Correct Answer:
Verified
Q4: By which of the following methods major
Q5: A short-circuit is identified by
A)no current flow
B)heavy
Q6: The information to the circuit breaker under
Q7: To limit short-circuit current in a power
Q8: A balanced 3-phase system consists of
A)zero sequence
Q10: Which device is used for protection of
Q11: Isolator in substation is open under -------------
Q12: Earthling switch is used for
A)measuring of safety
Q13: If the time of operating of a
Q14: A fault is more severe from the
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