Multiple Choice
On which of the following routine tests are conducted?
A) Oil circuit breakers
B) Air blast circuit breakers
C) Minimum oil circuit breakers
D) All of the above
Correct Answer:
Verified
Correct Answer:
Verified
Q9: Fault diverters are basically<br>A)fuses<br>B)relays<br>C)fast switches<br>D)circuit breakers
Q10: Magnetic circuit breaker has _ trip action.<br>A)delayed<br>B)instantaneous<br>C)both
Q11: An efficient and a well designed protective
Q12: In order that current should flow without
Q13: SF6 gas<br>A)is yellow in colour<br>B)is lighter than
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
Q17: With which of the following, a circuit
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