Ewrb theory prep mcbs - Study guides, Class notes & Summaries
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EWRB theory prep - MCBs WITH 100- CORRECT ANSWERS
- Exam (elaborations) • 2 pages • 2024
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EWRB theory prep - MCBs WITH 100- CORRECT ANSWERS
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EWRB THEORY EXAM PREP (2024) LATEST QUESTIONS & ANSWERS (GRADED A+)
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EWRB THEORY EXAM PREP (2024) LATEST QUESTIONS & ANSWERS (GRADED A+) 
types of MCB trips - correct answer>>>thermal 
magnetic 
 
thermal tripping - correct answer>>>bi-metal strip, used for overload currents protection 
 
magnetic tripping - correct answer>>>magnetic inductor, used for short circuit protection 
 
reset procedure - correct answer>>>reset to OFF 
reset to ON 
 
arc containment includes - correct answer>>>horns carry current to chute, all...
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EWRB theory prep – MCBs EXAM well updated 2024 with questions and correct answers
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EWRB theory prep – MCBs EXAM well updated 2024 with questions and correct answers 
 
 
 
 
circuit breaker purpose - CORRECT ANSWERdetect SC/OL and break contact on fault detection 
 
at short circuit, PSCC fault occurs, what operating mechanism is used - CORRECT ANSWERmagnetic field 
 
two operating mech. of MCB is - CORRECT ANSWERmagnetic and thermal 
 
bedroom lighting MCB - CORRECT ANSWER16C for bedroom lighting 
 
powerpoints MCB - CORRECT ANSWER32/20C for powerpoints and appliances, e.g....
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