Switchgear and Protection

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. 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

A. compensate for line inductive reactance
B. compensate for line capacitive reactance
C. improve line voltage
D. none of the above

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

A. impedance
B. directional
C. non-directional
D. none of the above

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)

A. neutral wire
B. negative of D.C. circuit
C. positive of D.C. circuit
D. phase dine

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. relay
B. rewirable fuse
C. H.R.C. only
D. all of the above