BS 7671 Practice Paper 1

Which of the following types of installation is not included in the special installations recognised by BS 7671? Mark one answer.

• Agricultural

• Petrol filling stations

• Saunas

• Swimming pools

BS 7671 does not apply to Mark one answer.

• Fairgrounds

• Marinas

• Photovoltaic systems

• Railway traction equipment

Which one of the following parts of BS 7671 contains greater detail of the Assessment of General Characteristics? Mark one answer.

• Part 1

• Part 2

• Part 3

• Part 4

BS 7671 states that installation design must take into account Mark one answer.

• A comparison of renewable energy sources

• Anticipated electromagnetic emissions

• Current copper prices

• The effects of climate change

Simple separation is separation between circuits by means of. Mark one answer.

• Basic insulation

• Double insulation

• No insulation

• Reinforced insulation

Excessive current occurring in an electrically sound circuit is known as. Mark one answer.

• Earth fault current

• Fault current

• Nuisance current

• Overload current

Which one of these types of system earthing codes has the following description: 'neutral and protective functions combined in a single conductor'? Mark one answer.

• C

• N

• S

• aT

Which one of the following needs to be considered in order to identify the characteristics of equipment likely to have harmful effects on other electrical equipment? Mark one answer.

• Classification of external influences

• Compatibility of characteristics

• Continuity of services

• Maintainability

The compatibility of harmful effects upon electrical equipment would not need to be assessed for. Mark one answer.

• D.C feedback

• Fault currents

• Power factor

• Undervoltages

Which one of the following is a consideration of maintainability? Mark one answer.

• The EMC regulations

• The division of the installation

• The effectiveness of the protective measures for safety

• The supplies for safety services and standby systems