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5357 014 Electrical Fault Finding

Authored by Robert Howlett

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University

30 Questions

Used 32+ times

5357 014 Electrical Fault Finding
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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the most common fault on a ring circuit?

Overloaded circuit
Short circuit
Open circuit
Earth fault

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How can you determine if a lighting circuit fault is due to a blown fuse?

Check continuity
Test insulation resistance
Check polarity
Inspect the fuse

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the first step in troubleshooting power circuit faults?

Check phase rotation
Inspect RCD
Test continuity
Check for loose connections

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What test is commonly used to diagnose insulation resistance faults in electrical circuits?

Earth loop impedance test
Continuity test
Insulation resistance test
Polarity test

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How can you identify a polarity fault in a circuit?

Measure phase rotation
Test for continuity
Check for reversed conductors
Inspect the fuse

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What should be checked first when troubleshooting continuity faults in a circuit?

Insulation resistance
Polarity
Fuse
Connections

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the correct sequence for phase rotation in a three-phase system?

BBG
BGB
GBB
GGB

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