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Worksheets

BU 3

Total questions: 21

Worksheet time: 2hrs 45mins

Name
Class
Date
1.

MATERIAL USED IS TUNGSTEN


a)

BULB

b)

FILAMENT

c)

GAS

d)

LEAD-IN WIRES

2.

SOFT GLASS IS USUALLY USED & COME IN VARIOUS SHAPES


a)

BULB

b)

GAS

c)

FILAMENT

d)

FUSE

3.

A MIXTURE OF NITROGEN & ARGON


a)

LEAD-IN WIRES

b)

GAS

c)

FILAMENT

d)

BASE

4.

COPPER WIRE THAT CARRIES ELECTRIC CURRENT TO THE FILAMENT

a)

GAS

b)

BULB

c)

LEAD-IN WIRES

d)

EXHAUST TUBE

5.

AIR IS EXHAUSTED THROUGH THIS TUBE DURING MANUFACTURE

a)

GAS

b)

EXHAUST TUBE

c)

FUSE

d)

MICA DISC

6.

PROTECTS THE LAMP & CIRCUIT BY BLOWING OFF IF THE FILAMENT ARCS

a)

EXHAUST TUBE

b)

FUSE

c)

BASE

d)

GAS

7.

MADE OF BRASS, ONE LEAD-IN WIRE IS SOLDERED TO THE CENTER CONTACT & OTHER TO THE UPPER RIM OF THE BASE SHELL

a)

FUSE

b)

BASE

c)

GAS

d)

BULB

8.

REDUCE THE CIRCULATION OF HOT GASES INTO THE NECK OF THE BULB


a)

GAS

b)

BULB

c)

MICA DISC

d)

BASE

9.

A LAMP FROM WHICH LIGHT IS EMITTED WHEN A TUNGSTEN FILAMENT IS HEATED TO PRODUCE RADIANT LIGHT BY AN ELECTRIC CURRENT

a)

INCANDESCENT BULB

b)

FLUORESCENT LAMP

c)

COMPACT FLUORESCENT LAMP

d)

HIGH INTENSITY DISCHARGE LAMPS

10.

A LOW PRESSURE ELECTRIC DISCHARGE LAMP WHEREIN UV LIGHT IS CONVERTED TO VISIBLE LIGHT WITH THE PASSAGE OF AN ARC THROUGH A MERCURY VAPOR & PHOSPHOR COATED TUBE


a)

INCANDESCENT BULB

b)

FLUORESCENT LAMP

c)

COMPACT FLUORESCENT LAMP

d)

HIGH INTENSITY DISCHARGE LAMPS

11.

MOST RAPID TECHNOLOGICAL ADVANCES IN LIGHTING IN RECENT YEARS HAVE BEEN THE DEVELOPMENT OF NEW MINIATURIZED FLUORESCENT LAMPS

a)

INCANDESCENT BULB

b)

FLUORESCENT LAMP

c)

COMPACT FLUORESCENT LAMP

d)

HIGH INTENSITY DISCHARGE LAMPS

12.

IS A TYPE OF ELECTRIC LAMP WHICH PRODUCES LIGHT BY MEANS OF AN ELECTRIC ARC BET. TUNGSTEN ELECTRODES HOUSED INSIDE A TRANSLUCENT OR TRANSPARENT FUSED QUARTZ OF FUSED ALUMINA ARC TUBE

a)

INCANDESCENT BULB

b)

FLUORESCENT LAMP

c)

COMPACT FLUORESCENT LAMP

d)

HIGH INTENSITY DISCHARGE LAMPS

13.

THIS COMBINES THE COMPACT FOCUSABLE SHAPE OF AN INCANDESCENT BULB WITH THE ARC DISCHARGE OF THE FLUORESCENT LAMP

a)

MERCURY VAPOR LAMP

b)

FLUORESCENT LAMP

c)

COMPACT FLUORESCENT LAMP

d)

HIGH INTENSITY DISCHARGE LAMPS

14.

is basically a mercury lamp with alterations to its arc tube to overcome the color problem of mercury lamp.

a)

HALOGEN BULB

b)

METAL HALIDE

c)

LED

d)

HID

15.

It works on exactly the same principle as the incandescent bulb but with the introduction of halogen gas for a better performance.​

a)

HALOGEN BULB

b)

METAL HALIDE

c)

LED

d)

HID

16.

THE PINNACLE OF LIGHTING​

a)

HALOGEN BULB

b)

METAL HALIDE

c)

LED

d)

HID

17.

An electrical current passes through a microchip, which illuminates the tiny light sources we call

a)

HALOGEN BULB

b)

METAL HALIDE

c)

LED

d)

HID

18.

LED STANDS FOR

(a)  

19.
  • These chips represent the latest development in LED technology.​

a)

COB LED

b)

SMD LED

c)

DIP LED

20.
  • chips are the original LED chips and what many recall when they think of LED lighting.​

a)

COB LED

b)

SMD LED

c)

DIP LED

21.
  • hese are mounted and soldered onto the circuit board, and are probably the most common type of LED chip available. ​

a)

COB LED

b)

SMD LED

c)

DIP LED