112
Authored by Andy Simpson
Other
5th Grade
Used 29+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The non-statutory document that is applicable to the probes and leads of test equipment is:
HSE Guidance Note GS 38
BS7671
The IET On Site Guide
IET Guidance Note 3.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The following tests may be carried out on a new installation:
1. polarity
2. insulation resistance
3. ring final circuit continuity
4. cpc continuity
2,1,4
1,2,4,3
3,1,2
3,2,1.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the length of a cable is doubled the insulation resistance will be:
quartered
halved
remain the same
doubled.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the length of a cable is doubled the resistance will be:
quartered
halved
remain the same
doubled
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When carrying out an initial verification, a check for polarity is carried out when energising of the installation for the first time. This is to confirm:
correct connection of the incoming supply
correct connection of equipment
operation of the main isolator
operation of the supply fuse.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A continuity of protective conductors test is carried out using a:
continuity tester
low reading ohmmeter
low resistance ohmmeter
insulation tester.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An increase in conductor operating temperature will result in:
an decrease in conductor resistance.
an increase in conductor resistance.
an increase in insulation resistance.
no apparent change in resistance or insulation resistance.
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