18th Edition Part 4 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 the transfer of supply to an alternative supply is to take place in a TN system, a multi-pole switch must be used which switches the line and neutral conductors, this method prevents?
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Simultaneously accessible exposed-conductive parts shall be connected to the same earthing system?
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the minimum impulse voltage for 120 V Category II equipment?
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The external influence code CA2 refers to?
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
In an IT system that does not have a neutral conductor it is permitted to omit a device to provide overload protection if?
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A BS 88-2 fuse is to be fitted to a TN circuit with a Zs value of 2.4 Q and requiring a disconnection time of 0.4s What is the maximum rated fuse that couId be used?
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A temperature cut-out device shall have only?
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