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 of the following is the most likely of implications caused from an exposed terminal?
2.
If 2 cables are connected together in series and measured the overall resistance will?
3.
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
4.
If an MCB has tripped due to a fault, which test would be most suitable to verify the fault?
5.
Which of the following tests should be performed specifically on a three-phase circuit?
6.
The minimum insulation resistance value for a SELV installation, according to BS7671 IET Wiring Regulations is?
7.
Failure to get a reading of polarity using test method one could indicate?
8.
A 3 phase motor circuit has been rectified, which of the following test should have been carried out on the circuit?
9.
Which of the following could be the most likely factor that could affect rectifying a fault?
10.
The procedure for proving dead should be by use of a proprietary test lamp or two pole voltage detecting device as recommended by?
11.
Which is the correct method of disposing of plasterboard on site?
12.
Which of the following would cause insufficient voltage supplying a light circuit?
13.
If a copper busbar is drawing a current of 300A, what will be the physical effect on the actual busbar?
14.
To maintain accurate readings, an instrument should?
15.
Which of the following could cause an SPD to operate?
16.
If equipment plugged into a socket outlet is not working, which of the following is the likely cause if the protective device hasn't tripped?
17.
Which is the correct method of disposing of Asbestos?
18.
If a copper conductor was halved in length, the resistance would?
19.
When should an RCD trip, if the setting of half the rating of the RCD is used
20.
When should an RCD trip, if the setting of 1 times the rating of the RCD is used
21.
What documentation may be used to record fault diagnostics work?
22.
An intrinsically safe test instrument would be used in?
23.
The test designed to determine the correct connection of all the protective conductors within installation is known as the?
24.
The insulation resistance test voltage for a 230v installation is?
25.
Before using a multifunction test instrument, what is the MOST important thing should you check for?
26.
Which of the following would cause a loss of supply to an installation?
27.
Which is one of the main hazards of an old building with insulated pipes coming from old boilers?
28.
It is recommended that test instruments are nulled to?
29.
The safest and most convenient way of proving the reliability of a voltage indicating device is?
30.
Which test is the most logical test to be carried out, to verify a short circuit?
By Neil