The information to the circuit breaker under fault conditions is provided by
A) relay
B) rewirable fuse
C) H.R.C. only
D) all of the above
Correct Answer:
Verified
Q1: Oil switches are employed for
A)low currents circuits
B)low
Q2: A switchgear is device used for
A)interrupting an
Q3: The fuse wire, in D.C. circuits, is
Q4: By which of the following methods major
Q5: A short-circuit is identified by
A)no current flow
B)heavy
Q7: To limit short-circuit current in a power
Q8: A balanced 3-phase system consists of
A)zero sequence
Q9: In a single bus-bar system there will
Q10: Which device is used for protection of
Q11: Isolator in substation is open under -------------
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