Multiple Choice
With which of the following, a circuit breaker must be equipped for remote operation ?
A) Inverse time trip
B) Time-delay trip
C) Shunt trip
D) None of the above
Correct Answer:
Verified
Correct Answer:
Verified
Q12: In order that current should flow without
Q13: SF6 gas<br>A)is yellow in colour<br>B)is lighter than
Q14: On which of the following routine tests
Q15: Overload relays are of…… type.<br>A)induction<br>B)solid state<br>C)thermal<br>D)all above
Q16: Which of the following medium is employed
Q18: A thermal protection switch can protect against<br>A)short-circuit<br>B)temperature<br>C)overload<br>D)over
Q19: Relays can be designed to respond to
Q20: The relay operating speed depends upon<br>A)the spring
Q21: D.C. shunt relays are made of<br>A)few turns
Q22: Directional relays are based on flow of<br>A)power<br>B)current<br>C)voltage