Infrared Coated Tungsten-Halogen Lamp Quiz
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Questions and Answers

What is a characteristic of a long-life lamp?

  • Used to promote reduced energy consumption and prolonged life (correct)
  • Designed for increased energy consumption
  • It requires frequent replacement
  • Meant for a shorter lifespan than conventional lamps

    • A parabolic aluminized reflector is usually made of:

  • Plastic
  • Rubber
  • Glass (correct)
  • Cast iron

    • What do halogen lamps contain that vaporizes and redeposits particles upon heating?

  • Silver
  • Tungsten
  • Mercury
  • Halogen (correct)

    • What is the purpose of an elliptical reflector bulb for incandescent lamps?

    <p>To focus light onto the filament</p> Signup and view all the answers

    In what type of lamp is a hemispherical reflective silver bowl used?

    <p>Halogen lamp</p> Signup and view all the answers

    What is a characteristic of a quartz lamp?

    <p>Has a tungsten filament</p> Signup and view all the answers

    What type of lamp is designed to improve efficiency and reduce heat in emitted light?

    <p>A tungsten-halogen lamp with an infrared dichroic coating for reflecting infrared energy back to the filament</p> Signup and view all the answers

    Which lamp type typically has a higher desired clean spread in the infrared region?

    <p>Infrared lamps with a specific design that enhances the spread of infrared light</p> Signup and view all the answers

    What is a measure of the effectiveness with which a lamp converts electric power into luminous flux?

    <p>Lumen efficacy</p> Signup and view all the answers

    Which type of bulb is best suited for low-wattage, decorative incandescent lamps?

    <p>A straight-sided bulb</p> Signup and view all the answers

    What is a lamp in which light is produced by the discharge of electricity between electrodes in a gas-filled enclosure?

    <p>A gas discharge lamp</p> Signup and view all the answers

    What is a device used for limiting the current through or the starting voltage of a high-intensity discharge (HID) lamp?

    <p>A ballast</p> Signup and view all the answers

    What is the unit of length used to express the wavelengths of radiation?

    <p>Angstrom</p> Signup and view all the answers

    What is the term for the range of wavelengths of light that the human eye can perceive?

    <p>Visible spectrum</p> Signup and view all the answers

    What type of lamp is known for its high efficiency and long lifespan?

    <p>LED lamp</p> Signup and view all the answers

    What is the purpose of reflectors in lighting?

    <p>To redirect light</p> Signup and view all the answers

    What is a characteristic of incandescent lamps?

    <p>Short lifespan</p> Signup and view all the answers

    What is the term for the type of radiation having wavelengths from about 370 nm?

    <p>Ultraviolet radiation</p> Signup and view all the answers

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