Protective Systems and Devices
This quiz assesses your understanding of electrical protective systems used to prevent electric shock, fire, and equipment damage. You’ll be tested on key safety devices such as:
- Residual Current Devices (RCDs)
- Circuit breakers and fuses
- Earthing and double insulation
- Surge protectors and Earth Leakage Circuit Breakers (ELCBs)
These systems are essential for protecting both people and property. Let’s see how well you understand them!
Quiz Summary
0 of 10 Questions completed
Questions:
Information
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading…
You must sign in or sign up to start the quiz.
You must first complete the following:
Results
Results
0 of 10 Questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
Categories
- Not categorized 0%
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- Current
- Review
- Answered
- Correct
- Incorrect
-
Question 1 of 10
1. Question
What is the function of a Residual Current Device (RCD)?
CorrectIncorrect -
Question 2 of 10
2. Question
Which protective device is designed to prevent electric shock?
CorrectIncorrect -
Question 3 of 10
3. Question
A fuse operates by:
CorrectIncorrect -
Question 4 of 10
4. Question
Why are circuit breakers preferred over fuses in some cases?
CorrectIncorrect -
Question 5 of 10
5. Question
What does ‘earthing’ do in electrical systems?
CorrectIncorrect -
Question 6 of 10
6. Question
Double insulation is useful because:
CorrectIncorrect -
Question 7 of 10
7. Question
What does a surge protector prevent?
CorrectIncorrect -
Question 8 of 10
8. Question
Earth leakage circuit breakers (ELCBs) protect against:
CorrectIncorrect -
Question 9 of 10
9. Question
Protective devices should be tested:
CorrectIncorrect -
Question 10 of 10
10. Question
Live parts of electrical systems should be:
CorrectIncorrect