Week 3 Electrical Installation Part 1

Week 3 Electrical Installation Part 1

University

10 Qs

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Week 3 Electrical Installation Part 1

Week 3 Electrical Installation Part 1

Assessment

Quiz

Science

University

Practice Problem

Medium

Created by

AINAMARDIA NAZARUDIN

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

All the above are examples of conductor, except:

Cooper

Aluminium

Silver

Paper

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A good conductor must be able to follow all the above, except:

Transmit current efficiently

Maximum heat released during transmission

Resist fire for considerable period

Fairly light in weight

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the type of wire for household domestic wiring?

Flexible PVC or PVC/PVC

House Service overhead System (H.S.O.S)

Mineral Insulated Copper Sheathed (M.I.C.S)

Paper Insulated Lead Sheath Steel Tape Armoured

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the advantage of underground cable?

Less durable to the environment

Very expensive

Safety factors are higher

Can withstand until 150 degree celcius

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does Capacity of Voltages and Current can effect the choosen of wire and cable?

Bigger wire will be able handle higher voltage

Able to resist biting or gnawing of vermins or rodents

Voltage drop will exceed 2.5% of voltage supply

Anti-corrosive to chemical or acid.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement is correct about Stranded vs Solid Wire?

smaller strands wire can carry more power

smaller strands are less expensive

solid wire can carry more power

electricity flows through the middle of wire

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purposes of ducting?

To increase voltage

To provide extra protection against pest & accident

To ensure electricity is not leak from wire/cable

To utilize the common underground trenches with other utilities

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