Welcome to your 2365 623 Fault Diagnosis
1.
An insulation resistance test is performed on a standard final circuit, what should the instrument be set to measure in?
2.
If a two way switch is not always able to operate lights when it is in the correct position, what is the most likely cause?
3.
Which of the following is NOT a scale commonly found on an RCD tester?
4.
Which of the following is the most likely of implications caused from fault diagnostics?
5.
The procedure for proving dead should be by use of a proprietary test lamp or two pole voltage detecting device as recommended by?
6.
When should an RCD trip, if the setting of 1 times the rating of the RCD is used
7.
Which of the following tests should be performed specifically on a three-phase circuit?
8.
Which logical step would come first, when approaching fault diagnosis?
9.
Which is the correct method of disposing of Asbestos?
10.
Which of the following could be the most likely factor that could affect rectifying a fault?
11.
A polarity test is conducted to verify that?
12.
Which of the following would most likely cause a motor to not work, if the circuit is healthy?
13.
If a copper busbar is drawing a current of 300A, what will be the physical effect on the actual busbar?
14.
The test designed to determine the correct connection of all the protective conductors within installation is known as the?
15.
A test instrument has a calibration date that has passed, what should be your course of action?
16.
Which of the following is not a requirement of test probes and leads according to GS38?
17.
Failure to get a reading of polarity using test method one could indicate?
18.
If an RCD has tripped due to a fault, which test would be most suitable to verify the fault?
19.
Which of the following would be the most likely cause of the final light in a lighting circuit not working, when the other lights do
20.
Which of the following is likely to cause a transient voltage spike?
21.
What documentation may be used to record fault diagnostics work?
22.
During a continuity of Ring final conductors test, 10 Sockets give a R1+R2 reading of 0.68Ω, but one socket gives a reading of 0.92Ω. What might that indicate?
23.
Which of the following is likely to cause a transient voltage spike
24.
Which is the correct method of disposing of plasterboard on site?
25.
If a copper conductor was halved in length, the resistance would?
26.
When are GS38 leads required?
27.
Which test is the most logical test to be carried out, to verify a cross connection?
28.
The insulation resistance test voltage for a SELV installation is?
29.
Which of the following could be the most likely factor that could affect rectifying a fault?
30.
Which test is the most accurate to test the sensitivity of an RCD?
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