Welcome to your 2365 623 Fault Diagnosis
1.
The insulation resistance test voltage for a SELV installation is?
2.
The insulation resistance test voltage for a 230v installation is?
3.
Which of the following would NOT be acceptable for performing an insulation resistance test?
4.
Which logical step would come first, when approaching fault diagnosis?
5.
Which test is the most accurate to test the sensitivity of an RCD?
6.
An insulation resistance test is performed on a standard final circuit, what should the instrument be set to measure in?
7.
Which logical stage should be carried out first, before carrying out fault diagnosis?
8.
Which of the following could be the most likely factor that could affect rectifying a fault?
9.
Which of the IET Guidance Notes will be most useful for fault diagnostics?
10.
If an MCB is not able to reset after a small duration of time after it has been operated, what is the likely cause?
11.
Which is the correct method of disposing of Asbestos?
12.
If an MCB has tripped due to a fault, which test would be most suitable to verify the fault?
13.
Which of the following would cause a loss of supply to an installation?
14.
The minimum insulation resistance value for a SELV installation, according to BS7671 IET Wiring Regulations is?
15.
One test that will commonly identify short circuits within an electrical installation is the?
16.
To maintain accurate readings, an instrument should?
17.
If the temperature of a conductor decreases, the resistance?
18.
The item shown in the photo serves what purpose?
19.
Which of the following would an inspector check, for a suspected voltage drop within a circuit?
20.
Which of the following would cause insufficient voltage supplying a light circuit?
21.
The most serious result of basic contact with a live conductor would be?
22.
If an MCB is able to reset after a small duration of time after it has been operated, what is the likely cause?
23.
Which test is the most logical test to be carried out, to verify an open circuit?
24.
When are GS38 leads required?
25.
Which of the following tests should be performed specifically on a three-phase circuit?
26.
Which is the correct method of disposing of plasterboard on site?
27.
Which of the following could cause an SPD to operate?
28.
Which of the following is likely to cause a transient voltage spike?
29.
What documentation may be used to record fault diagnostics work?
30.
Which test is the most logical test to be carried out, to verify a cross connection?
love this build confidence for examination