To limit short-circuit current in a power system are used.
A) earth wires
B) isolators
C) H.R.C. fuses
D) reactors
Correct Answer:
Verified
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
Q6: The information to the circuit breaker under
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 -------------
Q12: Earthling switch is used for
A)measuring of safety
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