Welcome to your 2365 623 Fault Diagnosis
1.
Which of the following is likely to cause a transient voltage spike
2.
Which of the following could be the most likely factor that could affect rectifying a fault?
3.
Which of the following is likely to cause a transient voltage spike?
4.
If an MCB has tripped due to a fault, which test would be most suitable to verify the fault?
5.
Which is one of the main hazards of an old building with insulated pipes coming from old boilers?
6.
The non-statutory document detailing the care and use of tests instruments, leads and probes is?
7.
During a continuity of Ring final conductors test in a domestic building, ten sockets give a R1+R2 reading of 0.5Ω, but an additional three sockets in the garage from the same circuit gives readings of 0.6Ω, 0.7Ω and 0.8Ω respectively. What might that indicate?
8.
If a copper busbar is drawing a current of 300A, what will be the physical effect on the actual busbar?
9.
Which logical step would come first, when approaching fault diagnosis?
10.
A test instrument has a calibration date that has passed, what should be your course of action?
11.
If the temperature of a conductor decreases, the resistance?
12.
The safest and most convenient way of proving the reliability of a voltage indicating device is?
13.
An intrinsically safe test instrument would be used in?
14.
Which of the following is NOT a scale commonly found on an RCD tester?
15.
Which is the correct method of disposing of Asbestos?
16.
If an RCD has tripped due to a fault, which test would be most suitable to verify the fault?
17.
The insulation resistance test voltage for a 230v installation is?
18.
Which device will protect circuits and equipment from transient voltages?
19.
Before using a multifunction test instrument, what is the MOST important thing should you check for?
20.
A domestic heating circuit has been rectified and a new programmer was installed, what should the electrician do before leaving site?
21.
Which of the following would cause a loss of supply to an installation?
22.
The test designed to determine the correct connection of all the protective conductors within installation is known as the?
23.
Which of the following should happen in the handover process after fault diagnostics?
24.
One test that will commonly identify short circuits within an electrical installation is the?
25.
Which test is the most accurate to test the sensitivity of an RCD?
26.
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?
27.
Which of the IET Guidance Notes will be most useful for fault diagnostics?
28.
Which of the following would NOT be acceptable for performing an insulation resistance test?
29.
Which is the correct method of disposing of plasterboard on site?
30.
If two bonding conductors or equal length were connected in parallel, the resistance would?
By Neil