18 Questions
What is a characteristic of a long-life lamp?
Used to promote reduced energy consumption and prolonged life
A parabolic aluminized reflector is usually made of:
Glass
What do halogen lamps contain that vaporizes and redeposits particles upon heating?
Halogen
What is the purpose of an elliptical reflector bulb for incandescent lamps?
To focus light onto the filament
In what type of lamp is a hemispherical reflective silver bowl used?
Halogen lamp
What is a characteristic of a quartz lamp?
Has a tungsten filament
What type of lamp is designed to improve efficiency and reduce heat in emitted light?
A tungsten-halogen lamp with an infrared dichroic coating for reflecting infrared energy back to the filament
Which lamp type typically has a higher desired clean spread in the infrared region?
Infrared lamps with a specific design that enhances the spread of infrared light
What is a measure of the effectiveness with which a lamp converts electric power into luminous flux?
Lumen efficacy
Which type of bulb is best suited for low-wattage, decorative incandescent lamps?
A straight-sided bulb
What is a lamp in which light is produced by the discharge of electricity between electrodes in a gas-filled enclosure?
A gas discharge lamp
What is a device used for limiting the current through or the starting voltage of a high-intensity discharge (HID) lamp?
A ballast
What is the unit of length used to express the wavelengths of radiation?
Angstrom
What is the term for the range of wavelengths of light that the human eye can perceive?
Visible spectrum
What type of lamp is known for its high efficiency and long lifespan?
LED lamp
What is the purpose of reflectors in lighting?
To redirect light
What is a characteristic of incandescent lamps?
Short lifespan
What is the term for the type of radiation having wavelengths from about 370 nm?
Ultraviolet radiation
Test your knowledge on infrared coated tungsten-halogen lamps, their components, and functions, including reflecting infrared energy back to the filament and improving lamp efficiency. This quiz covers topics such as lamp design, energy transfer, and beam spread in the infrared region.
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