Switchgear Protections - Study Mode
[#81] The under voltage relay can be used for
Correct Answer
generators
[#82] In order that current should flow without causing excessive heating or voltage drop, the relay contacts should
Correct Answer
(D) Have all above properties
[#83] On which of the following effects of electric current a fuse operates?
Correct Answer
(C) Heating effect
[#84] Ionization in circuit breaker is facilitated by
Correct Answer
(D) all of the above
[#85] Arc in a circuit breaker is interrupted at
Correct Answer
(A) zero current