Electrical Circuits Quiz

What is the purpose of a consumer control unit (CCU) in domestic premises?

• To provide lighting

• To control heating systems

• To feed current to large appliances

• To manage data communications

What is the design current, Ib, used for in cooker circuits?

• To determine the voltage

• To calculate cable size

• To measure power consumption

• To assess energy efficiency

What is the first allowance made for a cooking appliance in an individual household installation?

• 5 amperes

• 10 amperes

• 15 amperes

• 20 amperes

What is unlikely to happen with all elements of a cooker?

• They will be turned off

• They will be turned on simultaneously

• They will operate at half power

• They will malfunction

What is the main focus of Appendix A of the IET On-Site Guide?

• Energy efficiency

• Maximum demand and diversity

• Safety regulations

• Installation procedures

What is the learning outcome related to in the document?

• Understanding lighting systems

• Knowing wiring systems of electrical installations

• Managing data communications

• Operating heating systems

What type of circuit is NOT mentioned in the range of circuit types?

• Lighting

• Power and heating

• Data communications

• Solar power

What is the role of simmerstats and ovenstats in a cooker?

• To increase power usage

• To control gear

• To reduce efficiency

• To enhance safety

What is the significance of the 13A socket outlet in the switch?

• It is mandatory

• It is optional

• It is decorative

• It is a safety feature

What is the maximum total power for a 230 volt cooker with the given components?

• 9 kW

• 10 kW

• 11 kW

• 12 kW