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.
Which is one of the main hazards of an old building with insulated pipes coming from old boilers?
2.
Before using a multifunction test instrument, what is the MOST important thing should you check for?
3.
Which of the following would most likely cause a motor to not work, if the circuit is healthy?
4.
If an MCB is able to reset after a small duration of time after it has been operated, what is the likely cause?
5.
What documentation may be used to record fault diagnostics work?
6.
If an RCD has tripped due to a fault, which test would be most suitable to verify the fault?
7.
Which of the following would NOT be acceptable for performing an insulation resistance test?
8.
One test that will commonly identify short circuits within an electrical installation is the?
9.
An intrinsically safe test instrument would be used in?
10.
Which test is the most logical test to be carried out, to verify an open circuit?
11.
A polarity test is conducted to verify that?
12.
The insulation resistance test voltage for a 230v installation is?
13.
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
14.
If two bonding conductors or equal length were connected in parallel, the resistance would?
15.
Which of the following could be the most likely factor that could affect rectifying a fault?
16.
Which test is the most logical test to be carried out, to verify a cross connection?
17.
Which is the correct method of disposing of Asbestos?
18.
Which logical step would come first, when approaching fault diagnosis?
19.
Which of the following is the most likely of implications caused from an exposed terminal?
20.
Which of the following faults, would likely cause a burning smell?
21.
What is considered Low Voltage?
22.
Which of the following is likely to cause a transient voltage spike?
23.
If an MCB is not able to reset after a small duration of time after it has been operated, what is the likely cause?
24.
A low reading ohmmeter used to perform a continuity of protective conductor test, should record results in?
25.
To maintain accurate readings, an instrument should?
26.
The minimum insulation resistance value for a SELV installation, according to BS7671 IET Wiring Regulations is?
27.
Failure to get a reading of polarity using test method one could indicate?
28.
The most serious result of basic contact with a live conductor would be?
29.
Which logical stage should be carried out first, before carrying out fault diagnosis?
30.
Which of the following would an inspector check, for a suspected voltage drop within a circuit?
By Neil