Welcome to your 2365 623 Fault Diagnosis. This mock exam is not a substitute for proper teaching or revision and should only be used as a resource to prepare learners for the exam. The questions (along with the wording and diagrams) contained within the bank of this exam are purely made up by our lecturers and not copied from any actual qualification exam. So while this is an excellent free revision resource, please do not rely on these exam questions alone to help you be successful within your qualifications. When you are ready, please press "start quiz".
1.
The item shown in the photo serves what purpose?
2.
If 2 different sized cables were connected together in parallel and measured using a low resistance ohmmeter, the overall resistance will
3.
Which of the following would cause insufficient voltage supplying a light circuit?
4.
When should an RCD trip, if the setting of 5 times the rating of the RCD is used?
5.
Before beginning fault finding on a domestic property, what should you do?
6.
What is the importance of verifying readings obtained with those listed within BS7671 and associated documents?
7.
If the temperature of a conductor decreases, the resistance?
8.
Which logical stage should be carried out first, before carrying out fault diagnosis?
9.
Which of the following is NOT a scale commonly found on an RCD tester?
10.
A test instrument has a calibration date that has passed, what should be your course of action?
11.
If 2 cables are connected together in series and measured the overall resistance will?
12.
To maintain accurate readings, an instrument should?
13.
The insulation resistance test voltage for a 230v installation is?
14.
A low reading ohmmeter used to perform a continuity of protective conductor test, should record results in?
15.
Which of the following could cause an SPD to operate?
16.
An insulation resistance test is performed on a standard final circuit, what should the instrument be set to measure in?
17.
Which is the correct method of disposing of plasterboard on site?
18.
Which of the following would cause a loss of supply to an installation?
19.
Which of the following tests should be performed specifically on a three-phase circuit?
20.
Which of the following is likely to cause a transient voltage spike?
21.
An intrinsically safe test instrument would be used in?
22.
Which of the following could be the most likely factor that could affect rectifying a fault?
23.
Which is the correct method of disposing of Asbestos?
24.
Which of the following faults, would likely cause a burning smell?
25.
Which of the following should happen in the handover process after fault diagnostics?
26.
Which of the following is likely to cause a transient voltage spike
27.
A domestic heating circuit has been rectified and a new programmer was installed, what should the electrician do before leaving site?
28.
If two bonding conductors or equal length were connected in parallel, the resistance would?
29.
When are GS38 leads required?
30.
Which is one of the main hazards of an old building with insulated pipes coming from old boilers?
By Neil