A. delayed
B. instantaneous
C. both of the above
D. none of the above
A. 20 A
B. 50 A
C. 100 A
D. 200 A
A. a capackive reactance
B. an inductive reactance
C. a resistance increasing with voltage rise across the arc
D. a resistance decreasing with voltage rise across the arc
A. 33kVto66kV
B. HkVto33kV
C. 3.3kVandllkV
D. none of the above
A. fault occurs on the bus itself
B. fault occurs on neutral line
C. two or more faults occur simultaneously
D. fault occurs with respect to earthing
A. Inverse time trip
B. Time-delay trip
C. Shunt trip
D. None of the above
E. All of the above
A. neutral wire
B. negative of D.C. circuit
C. positive of D.C. circuit
D. phase dine