18th Edition Part 5 Mock 2
Authored by Gareth Wyatt
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Professional Development
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Where a private source for a safety service can operate in parallel with the public supply systems, permission to operate the source must be obtained from?
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Three circuits can share the same ducting system, provided?
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
An installation includes a d.c. power circuit with a grey coloured cable, which terminal does this cable connect to?
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A powertrack system shall be installed in accordance with the manufactures instructions, taking into account?
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
An RCD is to be used to provide protection against electric shock, the RCD shall be capable of disconnecting?
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
It can be considered that the neutral conductor may carry a significant electric current in a three-phase system when a third harmonic current is present with a harmonic distortion greater than?
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the minimum cross-sectional area of an unscreened multi-core copper conductor used for data transfer?
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