Question 1

How do you prevent from experiencing electric shock at home?

Accepted Answer

Regularly check household wirings

Answer

Recycle blown up fuse

Answer

Continue using worn-out extension wire

Answer

Plug electrical appliances with wet hand

Question 2

When do you consider repairing electrical wirings at home?

Accepted Answer

When fuses blows out or circuit breakers trip off frequently

Answer

When a newly-bought extension cord is used

Answer

When lights do not flicker even if other appliances are turned on

Answer

When electrical appliances are in good condition

Question 3

At home, you noticed that a portion of an electrical wire is worn out, exposing its metallic part. What do you think might happen if you will just ignore this problem?

Accepted Answer

Short circuit may happen

Answer

Circuit is of better condition

Answer

Overloading may not happen

Answer

Nothing happens when someone touches the wire

Question 4

Why is earthing used at home?

Accepted Answer

To prevent short circuit

Answer

To provide alternative route of upsurge current in case of grounded circuit

Answer

To cut the circuit in case of overloading

Answer

To reduce the resistance of the appliance

Question 5

Which of the following statements is NOT true about safety devices used at home?

Accepted Answer

Safety devices supply unsteady amount of voltage to protect appliances against overloading

Answer

Safety devices cut the flow of current in case of overloading

Answer

Safety devices are used to prevent electric shock

Answer

Safety devices are used to provide alternative route for current in the case of a grounded circuit

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