16) Miniature circuit breaker (MCB) are used in domestic and commercial installations for control and protection. What is the range of current rating of single pole MCBs commercially available ?
Answer is:
0.5 to 60 amps.
![Miniature circuit breaker (MCB) are used in domestic and commercial installations for control and protection. What is the range of current rating of single pole MCBs commercially available ?](https://mcqfinder.in/uploads/images/objective-questions/electrician-set-1-circuit-breakers/electrician-set-1-circuit-breakers-id-16-e.jpg)
Related Circuit Breakers MCQ - Electrician (Set-1) with Answers
Answer is:
5.0 to 60 amperes
![Miniature circuit breaker (MCB) are used in domestic and commercial installations for control and protection. The current rating of double pole and triple pole MCB is](https://mcqfinder.in/uploads/images/objective-questions/electrician-set-1-circuit-breakers/electrician-set-1-circuit-breakers-id-17-e.jpg)
Answer is:
Used for coarse excess current protection
![Which one of the following is not applicable to MCB ?](https://mcqfinder.in/uploads/images/objective-questions/electrician-set-1-circuit-breakers/electrician-set-1-circuit-breakers-id-20-e.jpg)