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What is the function of MCB and MCCB?
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What is the function of bimetallic strip in MCB mcq?

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How does a three-pole MCB function in a three-phase system?

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Compare the MCCB with ELCB on any three points. State the application of the RCBO.

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How does an air circuit breaker (ACB) differ from a molded case circuit breaker (MCCB)?

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State the factors to be considered while selecting MCCB for motor protection.

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What are the environmental impacts of MCB production and disposal?

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What is a real-world example of MCB failure and its impact?

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What is the principle of MCB and ELCB?
Answer : ### 1. **MCB (Miniature Circuit Breaker)** An MCB is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or ... earth leakage** (fault currents flowing to the earth) to prevent electrical shock and fire hazards....

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Explain the use of the following components in electrical wiring system and give specification of each: (i) MCB (ii) ELCB.

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What international standards govern MCB design and performance?

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What is the difference between an MCB and an RCD (Residual Current Device)?

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Explain MCB and ELCB with connection diagram supplying single phase load.

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Are there any unusual applications of MCB technology?

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What are the consequences of improper MCB installation?

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What are the advantages of using an MCB over a circuit breaker?

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