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Socket Circuits

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

Countries may have their own different sockets and power plug ?

a)

True

b)

False

2.

What are the type(s) of socket circuits ?

a)

Ring Circuit

b)

Radial Circuit

c)

Ring and Radial Circuits

d)

Series and parallel Circuits

3.

What is the advantage of Ring circuit system?

a)

power can reach the sockets in the circuit from both directions, which reduces the power load on the cables

b)

Reduces current

c)

Fast and cheap

d)

It can be used everywhere

4.

What is the correct cable used for ring circuit?

a)

2.0 mm^2

b)

2.4 mm^2

c)

5.2 mm^2

d)

2.5 mm^2

5.

If there is a break anywhere along the cable in radial circuit, all the socket outlets after the break will work.

a)

True

b)

False

6.

What type of socket circuit shown in the picture?

a)

Ring circuit

b)

Redial circuit

7.

What type of socket circuit shown in the picture?

a)

Ring circuit

b)

Redial circuit

8.

Is this socket or plug?

a)

Socket

b)

plug

9.

Is this socket or plug?

a)

plug

b)

Socket

10.

What is the position for connecting neutral wire in the socket ?

a)

Right

b)

Top

c)

Left

11.

The contacts of many plugs made up of ...

a)

Steel or brass

b)

zinc

c)

Tin

d)

Nickel-plated.

12.

Plugs usually have...

a)

Hot contact , neutral contact and ground contact

b)

neutral contact and live contact

c)

Earth ( E ) and neutral ( N )

d)

Hot contact and ground contact

13.

Power sockets are female electrical connectors that have slots or holes, which accept the pins, or blades of power plugs inserted into them and deliver electricity to the plugs.

a)

True

b)

False

14.

The live wire

a)

Carry electric current when the connected equipment develops an insulation fault

b)

Returns current to the source

c)

Carries the source alternating current from the power grid to the household loads

15.

The function of industrial and multiphase plugs and sockets is

a)

To reject any plug, which is not built to the same electrical standard.

b)

To provide a connection to the electrical mains rated at higher voltages and currents than household plugs and sockets

c)

To reduces the power load on the cables