Fault diverters are basically____________?
Fault diverters are basically____________?
A. fuses
B. relays
C. fast switches
D. circuit breakers
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The relay operating speed depends upon_________________?
The relay operating speed depends upon_________________?A. the spring tension
B. the rate of flux built up
C. armature core air gap
D. all of the aboveThe material used for fuse must have_____________?
The material used for fuse must have_____________?A. low melting point and high specific resistance
B. low melting point and -low specific resistance
C. high melting point and low specific resistance
D. low melting point and any specific resistanceH.R.C. fuse, as compared to a rewirable fuse, has_________________?
H.R.C. fuse, as compared to a rewirable fuse, has_________________?A. no ageing effect
B. high speed of operation
C. high rupturing capacity
D. all of the aboveA.C. network analyser is used to solve problems of_______________?
A.C. network analyser is used to solve problems of_______________?A. load flow
B. load flow and short-circuit
C. load flow and stability
D. load flow, short-circuit and stability
E. none of the aboveA fuse is never inserted in____________?
A fuse is never inserted in____________?A. neutral wire
B. negative of D.C. circuit
C. positive of D.C. circuit
D. phase dineSeries capacitors are used to_________________?
Series capacitors are used to_________________?A. compensate for line inductive reactance
B. compensate for line capacitive reactance
C. improve line voltage
D. none of the above