Multiple Choice
Which of the following statements is incorrect?
A) Station batteries are used to operate relay only
B) The lightning arresters are basically surge diverters
C) An impedance relay has maximum fault current when fault occurs near the relay
D) A high speed relay has an operation of 1 to 2 cycles
Correct Answer:
Verified
Correct Answer:
Verified
Q14: relays are used for phase faults on
Q15: A _ is used to measure the
Q16: Distance relays are generally<br>A)split-phase relays<br>B)reactance relays<br>C)impedance relays<br>D)none
Q17: Induction cup relay is operated due to
Q18: What will be the reflection co-efficient of
Q20: The single phasing relays are used for
Q21: Which of the following parameter can be
Q22: transmission line has reflection coefficient as one.<br>A)Open
Q23: Series reactors should have<br>A)low resistance<br>B)high resistance<br>C)low impedance<br>D)high
Q24: Bus coupler is very essential in arrangement<br>A)single