Multiple Choice
For the protection of lines against faults involving variable fault resistance, the preferred relaying scheme is a
A) Plain impedance relay
B) Directional over-current relay
C) Mho relay
D) Reactance relay
Correct Answer:

Verified
Correct Answer:
Verified
Q8: ........ Relays is preferred for phase fault
Q9: Zero sequence current is used for relaying
Q10: Admittance relay<br>A)Nondirectional relay<br>B)Directional relay<br>C)Differential relay<br>D)None of the
Q11: Where severe synchronising swing occur, the relay
Q12: Interruption of large currents by relay requires<br>A)Arc
Q14: The inverse definite mean time relays are
Q15: ............. Relays are used for phase faults
Q16: Relays can be designed to respond to
Q17: DC shunt relays are made of<br>A)Few turns
Q18: Which one of the following relay has