BSE UNIT 12 LESSON 12 Modern Electrotechnical Installations Quiz

By the end of the session, learners should be able to describe the wide variety of what used in modern electrotechnical installations?

• Pipes

• Cables

• Tools

• Appliances

Which of the following should learners be able to describe in relation to modern electrotechnical installations?

• Trunking, tray, and busbar systems

• Heating, ventilation, and air conditioning systems

• Lighting, sockets, and switch systems

• Security, fire alarm, and emergency systems

Which of the following is NOT a type of electrical cable listed in the learning material?

• Coaxial cable

• Steel wired armoured (SWA) cable

• Mineral insulated copper cables

• Solid core PVC insulated cables

What type of cable is described as having a fire performance of P200?

• Steel wired armoured (SWA) cable

• Mineral insulated copper cables

• Fire performance P200 cables

• Data multi-cored cables

Which type of cable is characterized by being multi-stranded and PVC insulated?

• Solid core PVC insulated cables

• Mineral insulated copper cables

• Fire performance P200 cables

• Multi-stranded PVC insulated cables

What is the colour coding for the neutral conductor in a three-phase circuit?

• Brown

• Black

• Blue

• Green/yellow

What is the colour coding for the earth conductor in a single-phase circuit?

• Brown

• Black

• Blue

• Green/yellow

In a three-phase circuit, what colour is used for Line 2?

• Brown

• Black

• Grey

• Blue

Which colour represents Line 1 in both three-phase and single-phase circuits?

• Brown

• Black

• Grey

• Blue

Which of the following is NOT listed as an influential factor for choosing the right cable type for wiring systems?

• Moisture

• Temperature

• Electrical interference

• Possible explosive atmosphere