Electrical Installation Quiz

What is the meaning of nominal voltage?

Evaluate responses using AI:

OFF

A generator with 200 turns of wire rotating in a magnetic field of 0.5 T at a frequency of 50 Hz. What is the peak value of the induced voltage?

Evaluate responses using AI:

OFF

A generator produces an alternating current with a peak voltage of 240 V. If the frequency of the alternating current is 60 Hz, what is the effective (rms) voltage?

Evaluate responses using AI:

OFF

Importance of Polarity in Single pole Switching?

Evaluate responses using AI:

OFF

What is the typical voltage rating for final circuits in a residential installation?

Evaluate responses using AI:

OFF

What is the maximum current rating for a final circuit in a residential installation?

Evaluate responses using AI:

OFF

What is the purpose of a residual-current device (RCD) in a final circuit?

Evaluate responses using AI:

OFF

Which component is responsible for transmitting generated electricity from power plants to distribution substations?

• Transformers

• Transmission lines

• Circuit breakers

• Capacitors

As per standard code practice up-to what amount of voltage rating the ceiling rose is used?

• 220 V

• 230 V

• 240 V

• 250 V

Which of the following is a common installation fixing accessory used in electrical installations for securing cables or conduits?

• A) Cable gland

• B) Terminal block

• C) Junction box

• D) Circuit breaker