Electrical Engineering

What is the minimum insulation resistance value for SELV and PELV circuits with a nominal voltage up to and including 500 V?

• 0.5 MΩ

• 1.0 MΩ

• 1.5 MΩ

• 2.0 MΩ

What is the test voltage DC for circuits with a nominal voltage above 500 V when measuring insulation resistance?

• 250 V

• 500 V

• 750 V

• 1000 V

Which of the following is a GS38 requirement for an approved voltage indicator used to safely isolate a circuit prior to fault diagnosis?

• Fused leads

• Non-conductive casing

• Battery-operated

• Wireless connectivity

Where may surge protective devices be required within an installation?

• At the origin of the installation and any sub distribution boards

• At socket-outlets or equipment terminals

• At the main distribution board only

• Both A and B

What is Electrical Engineering?

• The Study and Application of electricity

• The Study and Application of electromagnetism

• The Study and Application of electronics

• All of the Answers Provided

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-PS2-5

What is an Electrical Circuit?

• Open path or loop around which an electric current flows

• Open path or loop around which there is static electricity

• Closed path or loop around which there is static electricity

• Closed path or loop around which an electric current flows

What is Voltage?

• ‘pressure’ or ‘force’ of electricity

• flow of electricity

• Defines how easily electrons can flow through a material

Tags

NGSS.MS-PS2-3

What is Current?

• ‘pressure’ or ‘force’ of electricity

• flow of electricity

• Defines how easily electrons can flow through a material

What is Resistance?

• ‘pressure’ or ‘force’ of electricity

• flow of electricity

• Defines how easily electrons can flow through a material

What is a Wiring Diagram?

• Shows connections in a circuit that are clear & standardized

• Illustrates how a schematic can be realized in a prototype

Tags

NGSS.MS-ETS1-4