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 (C)</p> Signup and view all the answers

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

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

What is a characteristic of a quartz lamp?

<p>Has a tungsten filament (A)</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 (B)</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 (C)</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 (D)</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 (C)</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 (B)</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 (B)</p> Signup and view all the answers

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

<p>Angstrom (D)</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 (C)</p> Signup and view all the answers

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

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

What is the purpose of reflectors in lighting?

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

What is a characteristic of incandescent lamps?

<p>Short lifespan (D)</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 (A)</p> Signup and view all the answers

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