Multiple Choice
How is plant protected by an MCB?
A) Micro circuit breaker switch opens on detecting excess current
B) MCB means manual circuit breaker switch at a distribution board
C) Building management computer system detects faults and trips main circuit breaker to the plant room where a fault occurred
D) MCB means moulded case breaker cartridge fuse for each plant circuit at main switchboard
E) It is a thermal overload switch
Correct Answer:
Verified
Correct Answer:
Verified
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