4.6

Question 1

Emit visible light as a result of heating. Also known as the “Light Bulb”.

Answer 1

Incandescent lamp

Question 2

Electromagnetic radiation from filament includes a significant amount of visible light, mainly in ____, ______, and ________ wavelengths.

Answer 2

red, orange, yellow

Question 3

The most common voltage of incandescent lamps

Answer 3

120, 125, and 130V

Question 4

familiar threaded base found with ordinary lamp up to 300W.

Answer 4

Medium Base

Question 5

smaller threaded base used in ornamental lighting such as chandeliers.

Answer 5

Candelabra Base

Question 6

Larger threaded base found on lamps that are 300 W or greater.

Answer 6

Mogul Base

Question 7

used in applications where the difficulty or cost of changing lamps is prohibitive

Answer 7

Long-life Lamps

Question 8

special version of standard lamps that are helpful for rough or vibration service.

Answer 8

Rough Service Lamps

Question 9

not unbreakable but they break less frequently and when they break, the shattered glass contained within the plastic coating.

Answer 9

Plastic-coated lamps

Question 10

used in decorative and accent lighting applications that require good control or highlighting

Answer 10

Low-voltage Lamps

Question 11

Frequently called halogen lamps, a smaller, brighter, and more expensive version of incandescent lamps. Contain high-pressure halogen gases such as iodine or bromine.

Answer 11

Tungsten-Halogen Lamps

Question 12

Lamps where electricity passing through a gas such that it causes the gas to arc. It produces continuous light by passing electricity through a gas contained within the lamp. It produces ultraviolet radiation that causes a phosphor coating on the inside of the lamp to glow.

Answer 12

Gaseous Discharge Lamps

Question 13

An additional device that is required in all gaseous discharge lamps. It is a voltage transformer and current-limiting device designed to start properly control the flow of power to discharge light sources such as fluorescent and HIG lamps. It can consume up to 20% of the electricity used to power a luminaire.

Answer 13

Ballast

Question 14

type of ballast that increases and control voltage, heavy noise

Answer 14

Magnetic or Iron Ballasts

Question 15

type of ballast that uses solid-state electronic components, less noise and capable of dimming lamp (lumen) output.

Answer 15

Electronic Ballasts

Question 16

It is calculated by dividing the lumen output of a lamp ballast combination by the lumen output of the same lamp on a reference ballast.

Answer 16

Ballast Factor (BF)

Question 17

is composed of a tubular glass bulb that is covered with a thin phosphor coating on its inside surface.

Answer 17

Fluorescent Lamp

Question 18

_______ are filament-like coils at the end(s) of the bulb that act as terminals for the electric circuit

Answer 18

Cathodes

Question 19

are commercially available in strait, U-shaped or circular tubes in a variety of sizes, wattages, voltages colors, and types of base.

Answer 19

Linear Fluorescent lamps (LFL)