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Energy-Efficient Lighting Design: Principles and Strategies

Description: This quiz will test your knowledge of energy-efficient lighting design principles and strategies.
Number of Questions: 15
Created by:
Tags: energy efficiency lighting design sustainability
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Which of the following is NOT a key principle of energy-efficient lighting design?

  1. Using natural light whenever possible

  2. Selecting energy-efficient light fixtures

  3. Using incandescent light bulbs

  4. Using task lighting to focus light where it is needed

Show answer
Correct Option: C
Explanation:

Incandescent light bulbs are not energy-efficient because they produce more heat than light.

Which type of light bulb is the most energy-efficient?

  1. Incandescent light bulb

  2. Compact fluorescent light bulb (CFL)

  3. Light-emitting diode (LED) light bulb

  4. Halogen light bulb

Show answer
Correct Option: C
Explanation:

LED light bulbs are the most energy-efficient because they use up to 85% less energy than incandescent light bulbs.

What is the term for using natural light to reduce the need for artificial lighting?

  1. Daylighting

  2. Task lighting

  3. Accent lighting

  4. Ambient lighting

Show answer
Correct Option: A
Explanation:

Daylighting is the use of natural light to reduce the need for artificial lighting.

Which of the following is NOT a benefit of using energy-efficient lighting?

  1. Reduced energy costs

  2. Improved indoor air quality

  3. Increased light output

  4. Longer bulb life

Show answer
Correct Option: C
Explanation:

Energy-efficient lighting does not produce more light output than traditional lighting.

What is the term for using light fixtures that emit light in a specific direction?

  1. Directional lighting

  2. Ambient lighting

  3. Task lighting

  4. Accent lighting

Show answer
Correct Option: A
Explanation:

Directional lighting is the use of light fixtures that emit light in a specific direction.

Which of the following is NOT a strategy for using task lighting effectively?

  1. Using adjustable task lights

  2. Placing task lights close to the work surface

  3. Using task lights with a high color rendering index (CRI)

  4. Using task lights with a low wattage

Show answer
Correct Option: D
Explanation:

Task lights should have a high wattage to provide adequate light for the task.

What is the term for using light fixtures to create a specific mood or atmosphere?

  1. Accent lighting

  2. Task lighting

  3. Ambient lighting

  4. Directional lighting

Show answer
Correct Option: A
Explanation:

Accent lighting is the use of light fixtures to create a specific mood or atmosphere.

Which of the following is NOT a factor to consider when selecting energy-efficient light fixtures?

  1. Light output

  2. Energy consumption

  3. Color rendering index (CRI)

  4. Bulb type

Show answer
Correct Option: D
Explanation:

Bulb type is not a factor to consider when selecting energy-efficient light fixtures because the fixture itself does not determine the type of bulb that can be used.

What is the term for the amount of light emitted by a light fixture?

  1. Lumen output

  2. Wattage

  3. Color temperature

  4. Beam angle

Show answer
Correct Option: A
Explanation:

Lumen output is the amount of light emitted by a light fixture.

Which of the following is NOT a benefit of using daylighting?

  1. Reduced energy costs

  2. Improved indoor air quality

  3. Increased glare

  4. Improved occupant comfort

Show answer
Correct Option: C
Explanation:

Daylighting can reduce glare by providing natural light that is evenly distributed throughout a space.

What is the term for the color of light emitted by a light fixture?

  1. Color temperature

  2. Color rendering index (CRI)

  3. Beam angle

  4. Lumen output

Show answer
Correct Option: A
Explanation:

Color temperature is the color of light emitted by a light fixture.

Which of the following is NOT a strategy for using daylighting effectively?

  1. Using windows and skylights to let in natural light

  2. Using light shelves to reflect natural light deeper into a space

  3. Using blinds and curtains to control the amount of natural light that enters a space

  4. Using artificial lighting to supplement natural light

Show answer
Correct Option: D
Explanation:

Daylighting should be used to reduce the need for artificial lighting, not supplement it.

What is the term for the angle at which light is emitted from a light fixture?

  1. Beam angle

  2. Color temperature

  3. Color rendering index (CRI)

  4. Lumen output

Show answer
Correct Option: A
Explanation:

Beam angle is the angle at which light is emitted from a light fixture.

Which of the following is NOT a strategy for using energy-efficient lighting in commercial buildings?

  1. Using occupancy sensors to turn lights off when a space is unoccupied

  2. Using daylight harvesting controls to dim lights when natural light is available

  3. Using motion sensors to turn lights on when someone enters a space

  4. Using timers to turn lights on and off at specific times

Show answer
Correct Option: C
Explanation:

Motion sensors are not typically used in commercial buildings because they can be triggered by false motion, such as shadows or moving objects.

What is the term for the ability of a light source to accurately render colors?

  1. Color rendering index (CRI)

  2. Color temperature

  3. Beam angle

  4. Lumen output

Show answer
Correct Option: A
Explanation:

Color rendering index (CRI) is the ability of a light source to accurately render colors.

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