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Infrared Coated Tungsten-Halogen Lamp Quiz

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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?

To focus light onto the filament Signup and view all the answers

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

Halogen lamp Signup and view all the answers

What is a characteristic of a quartz lamp?

Has a tungsten filament Signup and view all the answers

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 Signup and view all the answers

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 Signup and view all the answers

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

Lumen efficacy Signup and view all the answers

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

A straight-sided bulb 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?

A gas discharge lamp 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?

A ballast Signup and view all the answers

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

Angstrom Signup and view all the answers

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

Visible spectrum Signup and view all the answers

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

LED lamp Signup and view all the answers

What is the purpose of reflectors in lighting?

To redirect light Signup and view all the answers

What is a characteristic of incandescent lamps?

Short lifespan Signup and view all the answers

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

Ultraviolet radiation Signup and view all the answers