A fuse is connected_______________?
A fuse is connected_______________? 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_______________? A. in series with circuit B. in parallel with circuit C. either in series or in parallel with circuit D. none of the above
The steady state stability of the power system can be increased by_____________? 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
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
The torque produced in induction type relay (shaded pole structure) is_____________? A. inversely proportional to the currentB. inversely proportional to the square of the current C. proportional to the current D. proportional to square of the current
Admittance relay is __________ relay? A. impedanceB. directional C. non-directional D. none of the above
Air blast circuit breakers for 400 kV power system are designed to operate in_______________? A. 100 microsecondB. 50 millisecond C. 0.5 sec D. 0.1 sec
The fuse wire, in D.C. circuits, is inserted in____________? A. negative circuit only B. positive circuit onlyC. both (A) and (B) D. either (A) or (B)
A fuse is never inserted in____________? A. neutral wire B. negative of D.C. circuit C. positive of D.C. circuit D. phase dine
A switchgear is device used for_____________? A. interrupting an electrical circuit B. switching an electrical circuit 111. C. switching and controlling an electrical circuitD. switching, controlling and protecting the electrical circuit and equipment
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