A. in series with circuit
B. in parallel with circuit
C. either in series or in parallel with circuit
D. none of the above
A fuse is connected_______________? Read More »
Switchgear and Protection A. connecting lines in parallel
B. connecting lines in series
E. using machines of high impedance
D. reducing the excitation of machines
E. none of the above
The steady state stability of the power system can be increased by_____________? Read More »
Switchgear and Protection A. compensate for line inductive reactance
B. compensate for line capacitive reactance
C. improve line voltage
D. none of the above
Series capacitors are used to_________________? Read More »
Switchgear and Protection A. inversely proportional to the current
B. inversely proportional to the square of the current
C. proportional to the current
D. proportional to square of the current
The torque produced in induction type relay (shaded pole structure) is_____________? Read More »
Switchgear and Protection A. impedance
B. directional
C. non-directional
D. none of the above
Admittance relay is __________ relay? Read More »
Switchgear and Protection A. 100 microsecond
B. 50 millisecond
C. 0.5 sec
D. 0.1 sec
A. negative circuit only
B. positive circuit only
C. both (A) and (B)
D. either (A) or (B)
The fuse wire, in D.C. circuits, is inserted in____________? Read More »
Switchgear and Protection A. neutral wire
B. negative of D.C. circuit
C. positive of D.C. circuit
D. phase dine
A fuse is never inserted in____________? Read More »
Switchgear and Protection A. interrupting an electrical circuit
B. switching an electrical circuit 111.
C. switching and controlling an electrical circuit
D. switching, controlling and protecting the electrical circuit and equipment
A switchgear is device used for_____________? Read More »
Switchgear and Protection A. relay
B. rewirable fuse
C. H.R.C. only
D. all of the above
