BS7671-Part 1, 2 and 3

BS7671-Part 1, 2 and 3

1st - 3rd Grade

10 Qs

quiz-placeholder

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BS7671-Part 1, 2 and 3

BS7671-Part 1, 2 and 3

Assessment

Quiz

Education

1st - 3rd Grade

Practice Problem

Hard

Created by

Adam Kerrigan

Used 1+ times

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10 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which type of electrical installation is included in the scope of BS7671?

Equipment in fixed offshore installations

Railway signalling equipment

Installations in fairground booths

Equipment on aircraft

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What electrical installation is excluded from the scope of BS 7671?

Mobile offshore installations

Extra-low voltage lighting

Onshore units for the connection of navigation vessels.

Equipment installed in operating and maintenance gangways

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is listed as a fundamental principle of basic protection?

Preventing voltage from passing through the body

Limiting the magnitude of voltage resulting from a fault

Limiting the current that can pass through the body to non-hazardous value

Limiting the duration of a current from a fault

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which cable support system is defined as a support consisting of transverse supporting elements rigidly fixed to main longitudinal supporting members?

Cable tray

Cable channel

Cable ladder

Cable cleats

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is a bypass bonding conductor defined as being in parallel to?

Screens of cables

Armours of cables

Cores of cables

Groups of cables

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What may be taken into account when assessing the maximum demand as part of the general characteristics of a supply?

Discrimination

Selectivity

Overvoltage

Diversity

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which is a stated reason for the division of an installation into circuits?

Reduce over current flow in the installation

Reduce the possibility of unwanted tripping RCD’s

Reduce the amount of cable used throughout the installation

Reduce the number of protective devices needed to achieve ADS

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