Multiple Choice
Which of the following circuit breakers has high reliability and minimum maintenance ?
A) Air blast circuit breakers
B) Circuit breaker with SF6 gas
C) Vacuum circuit breakers
D) Oil circuit breakers
Correct Answer:
Verified
Correct Answer:
Verified
Q13: The material used for fuse must have<br>A)low
Q14: Over voltage protection is recommended for<br>A)hydro-electric generators<br>B)steam
Q15: The inductive interference between power and communication
Q16: Series capacitors are used to<br>A)compensate for line
Q17: The fuse blows off by<br>A)burning<br>B)arcing<br>C)melting<br>D)none of the
Q19: An isolator is installed<br>A)to operate the relay
Q20: What will be the reflection co-efficient of
Q21: transmission line has reflection coefficient as one.<br>A)Open
Q22: The steady state stability of the power
Q23: H.R.C. fuse, as compared to a rewirable