Practice Earth Leakage Circuit Breaker (ELCB) / Residual Current Device (RCD) - 1.3 | Module 7: Electrical Installations, Safety, and Energy Management | Basics of Electrical Engineering
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1.3 - Earth Leakage Circuit Breaker (ELCB) / Residual Current Device (RCD)

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does an RCD protect against?

💡 Hint: Think about what would happen if electricity leaked.

Question 2

Easy

Name one area in a home where RCDs are essential.

💡 Hint: Consider places that may get wet.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the primary function of an RCD?

  • To measure current
  • To detect earth faults
  • To improve power factor

💡 Hint: Think about what RCDs are used for in homes and industries.

Question 2

True or False: ELCBs are more efficient than RCDs in preventing electric shocks.

  • True
  • False

💡 Hint: Consider how each device operates.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A household has an RCD with a 30mA trip sensitivity. Determine how this affects safety in the kitchen area with multiple appliances.

💡 Hint: Review the typical current levels and how much is safe.

Question 2

Analyze the potential consequences of using an ELCB instead of an RCD in a modern home.

💡 Hint: Consider reliability in common household scenarios.

Challenge and get performance evaluation