Electric Lighting

Incandescent lamps last longer than fluorescent lamps.

• True

• False

__________ comprises of a cylindrical glass tube sealed at both ends and containing a mixture of an inert gas, generally argon and low-pressure mercury vapor.

• Mercury vapor

• Metal Halide

• Incandescent

• Fluorescent lamp

__________ produces light by discharging electricity through a high-pressure vapor.

• Incandescent

• Halogen

• High intensity discharge (HID)

• Fluorescent lamp

__________ is a semiconductor diode that emits light when a voltage is applied to it and that is used especially in electronic devices.

• Light Emitting Diode (LED)

• Incandescent

• Metal Halide

• Fluorescent

A lamp with a Color Rendering Index of ________ would be appropriate for displaying products at a retail store.

• 1

• 30

• 50

• 90

In fluorescent lamps, a _________ is used to provide the starting voltage or to stabilize the current in a circuit.

• ballast

• phosphor

• filament

• light bulb

The yellow-colored high pressure sodium lights found in outdoor environments around campus are best described as:

• Warm color, high color temperature

• Cool color, high color temperature

• Warm color, low color temperature

• Cool color, low color temperature

Which of the following lamp types would most likely be used to light a large outdoor sporting event where accurate color rendition and efficiency are both important?

• Halogen

• Metal Halide

• Incandescent

• Low pressure sodium

Which of the following types of lamps provides the best color rendition of skin tones?

• Cool-white fluorescent

• Mercury vapor

• Metal Halide

• Incandescent

Which type of lamp provides more lumens per watt?

• High Intensity Discharge (HID)

• Incandescent

• Halogen

• All of the options (same efficacy)