CAD Electricity

Open Ended

Is electricity a renewable or non-renewable form of energy?

Multiple Choice

Why is electricity considered a secondary source of energy rather than a primary source?

• Because it is generated from other primary sources of energy

• Because it is found naturally in large quantities

• Because it cannot be stored

• Because it is always renewable

Open Ended

How do humans make electricity?

Open Ended

Where does electricity come from? (natural and human made)

Multiple Choice

Which of the following steps is necessary for generating electricity in a coal, nuclear, or natural gas power plant?

• Heating water to create steam

• Using solar panels to generate electricity directly

• Burning wood to produce heat

• Using wind turbines to spin a generator

Open Ended

Is this system Renewable or non-renewable?

Open Ended

How does the electricity get to us from the power plants?

Multiple Choice

Which part of a transmission line is responsible for supporting the wires above the ground?

• Tower

• Insulator

• Damper

• Spacer

Open Ended

Explain the role of a step-down transformer in a substation.

Open Ended

How do birds sit on power lines without getting electrocuted?

Multiple Select

Which of the following are functions of an electrical panel in a household?

• Distributes electricity to different circuits

• Measures electricity usage

• Protects circuits from overload

• Generates electricity

Open Ended

What is the relationship between amperes, volts, and watts as described by Ohm's law and power calculation?

Multiple Choice

Which of the following are types of branch circuits mentioned in the lesson?

• Lighting Circuits, Small Appliance Circuits, Dedicated Circuits

• Lighting Circuits, Power Circuits, Appliance Circuits

• Main Circuits, Sub Circuits, Appliance Circuits

• Lighting Circuits, Dedicated Circuits, Main Circuits

Open Ended

Explain the purpose and function of a Ground Fault Circuit Interrupter (GFCI) and describe a scenario where it would be essential.

Multiple Choice

Which of the following best describes the difference between general lighting and specific lighting?

• General lighting is used for overall illumination, while specific lighting is used for particular tasks or areas.

• General lighting is only used outdoors, while specific lighting is used indoors.

• General lighting is always brighter than specific lighting.

• Specific lighting is used to decorate rooms, while general lighting is used for reading.

Multiple Choice

What are the main differences between LED, CFL, and Incandescent light bulbs in terms of energy usage and lifespan?

• LED bulbs use the least energy and last the longest, CFLs use more energy and have a shorter lifespan, and Incandescent bulbs use the most energy and have the shortest lifespan.

• CFL bulbs use the least energy and last the longest, LED bulbs use more energy and have a shorter lifespan, and Incandescent bulbs use the most energy and have the shortest lifespan.

• Incandescent bulbs use the least energy and last the longest, LED bulbs use more energy and have a shorter lifespan, and CFL bulbs use the most energy and have the shortest lifespan.

• LED and Incandescent bulbs have the same energy usage and lifespan, while CFLs are less efficient.

Open Ended

Explain the 2-6-12 rule for outlet placement in habitable rooms and how it ensures safety and convenience.

Open Ended

Describe how the placement of switches and outlets in a home impacts both safety and convenience. Use examples from the images to support your answer.

Multiple Select

Which of the following are requirements for kitchen and bathroom outlet placement according to the rules shown?

• Kitchen outlets must be within 2 feet from a corner or appliance.

• Outlets on a kitchen counter must be within 4 feet of each other.

• A minimum of 2 outlets should be placed in each bathroom, one above the counter top.

• Hallway outlets must be spliced a minimum of 10 feet from each other.

Open Ended

After learning about the nature of electricity, what is one question you still have or something you would like to know more about?