Utilities - Lighting Quiz

What does LED stand for?

• Lamp Efficiency Device

• Light Emitting Diode

• Low Energy Device

• Luminous Energy Detector

Which type of light is used for stadiums and billboards?

• Incandescent

• HPS

• Fluorescent

• Metal Halide

What type of light is used for outdoor and indoor parking?

• LED

• CFL

• LPS

• HPS

Which type of light has a tube, starter, and a ballast with low mercury vapor?

• Fluorescent

• LED

• Incandescent

• CFL

How many hours lifespan does an energy-saving light like LED have?

• 10,000 hours

• 8,000 hours

• 50,000 hours

• 20,000 hours

What color of light is used for T12 and other fluorescent lamps?

• Daylight White

• Natural White

• Warm White

• Cool White

What type of lighting system is inherently efficient with all light directed downward?

• Direct

• Direct-Indirect

• Indirect

• Semi-Indirect

Which type of light fixture uses diffusers, lenses, and louvers to cover bulbs from direct view?

• Shielded

• General Diffuse

• Absorptance

• Reflection factor

What is the ratio of light output to the light produced by the lamp?

• Efficiency

• Efficacy

• Reflector

• Refractor

What is the effect of excessive brightness in the field of view causing annoyance or discomfort?

• Brightness

• Refraction

• Glare

• Specular Reflection