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Advanced Single Phase Wiring Assessment

Authored by Wahie Anuar

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Professional Development

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Advanced Single Phase Wiring Assessment
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of electrical safety standards?

To protect people and property from electrical hazards.

To promote the use of outdated wiring methods.

To increase electrical consumption.

To reduce the cost of electrical installations.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a common voltage for single phase circuits?

48V

600V

120V or 240V

12V

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the maximum allowable current for a 2.5mm² copper wire in a single phase circuit?

25 amps

15 amps

20 amps

30 amps

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of a circuit breaker in electrical installations?

To increase the voltage in electrical circuits.

To measure the current in electrical installations.

To provide a constant flow of electricity.

To protect electrical circuits from overloads and short circuits.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which wiring method is most commonly used for residential installations?

Armored cable (BX)

Metal conduit wiring

Non-metallic (NM) sheathed cable (Romex)

Underground feeder (UF) cable

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of earthing in electrical systems?

Earthing is only necessary for residential buildings.

Earthing is primarily used for aesthetic purposes.

Earthing increases the risk of electrical fires.

Earthing is significant for safety, equipment protection, and voltage stabilization in electrical systems.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What tool is essential for measuring voltage in a circuit?

Voltmeter

Multimeter

Ohmmeter

Ammeter

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