Electrical Protective Devices Quiz

What are protective devices in electrical circuits?

• Devices used to display something.

• Equipment applied to electric power systems to detect abnormal and intolerable conditions and to initiate appropriate corrective actions. 

• light bulbs.

Which of the following is NOT an electrical protective device?

• Fiber tube

• Ribbon fuse.

• Plastic bottle

What is the use of a fuse wire?

• To break the circuit from the source during overloading, thus protecting the components from damage.

• To give off light.

• To tighten wires.

Which of the following is used for high voltage?

• Knife blade

• Plug

• Ribbon fuse

What is an electrical meter?

• A device that measures the amount of electric energy consumed by a building, tenant space or  electrically powered equipment.

• A plug.

• A tube used to send electricity to properties.

The two types of electrical meters are:

• Digital

• Plain

• Analogue

What type of meter is shown in the picture?

• Real

• Digital

• Analogue

What is energy conservation?

• The prevention of wasteful use of energy.

• Using energy.

• No available energy.

We should conserve energy because......

• We will not need it again.

• It is not good.

• žSaving energy reduces air and water pollution and conserves natural resources, which in turn creates a healthier living environment for people everywhere.

How do we calculate meter readings?

• The approved prepaid rate is $17.00/kWh for the first 117kWh within a thirty (30) day consumption cycle and $52.76/kWh for each additional kWh thereafter within that thirty (30) day consumption cycle.

• The approved prepaid rate is $15.00/kWh for the first 117kWh within a thirty (30) day consumption cycle and $22.76/kWh for each additional kWh thereafter within that thirty (30) day consumption cycle.

• vThe approved prepaid rate is $1500.00/kWh for the first 117kWh within a thirty (30) day consumption cycle and $2200.76/kWh for each additional kWh thereafter within that thirty (30) day consumption cycle.