Which one of the following lights is incandescent in operation?
GLS lamp
GLA lamp
fluorescent lamp
LED lamp
Which one of the following lights is incandescent in operation?
halogen lamp
GLA lamp
fluorescent lamp
sodium lamp
Identify the unit of measure for 'Illuminance' ?
Lux
Candela
Lumen
Lumen per watt
Identify the unit of measure for 'Luminous Intensity' ?
Candela
Lux
Lumen
Lumen per watt
For the purpose of DIVERSITY calculations (i.e. when using the O.S.G), state the assumed wattage rating to be used FOR incandescent LAMP FITTINGS if it has not been given in the design specifications?
100W
60W
40W
150W
Identify the material used for the filament of an incandescent lamp?
Tungsten
Silicon
Carbon
Stainless steel
To prevent the filament of an incandescent lamp from 'burning out' too quickly - what is inside the glass bulb?
argon
vacuum
air
neon
In order for a lamp to show the colours of objects lit as they really are, the lamp must have good 'colour ________' (what is the missing term?)
rendering
properties
spectrum
luminosity
state the approximate life of an ordinary incandescent lamp if installed correctly?
1000hrs
3500hrs
750hrs
2000hrs
in order for a standard incandescent lamp to operate for it full design lifespan - how must it be installed?
lamp down
lamp up
sideways
it does not matter
What term is given to the gas installed in an incandescent lamp?
inert
active
reactive
photo
How is the life of the filament in an incandescent lamp prolonged?
filling the bulb with a gas
coiling the filament
double-coiling the filament
by only mounting it in the 'lamp up' position
Which type of incandescent lamp has the properties of regeneration?
halogen lamp
mercury lamp
GLS lamp
sodium lamp
Which one of the following gases is a 'halogen gas' ?
Iodine
Calcium
Silicate
Ozone
In a halogen lamp which is turned ON, particles of the filament combine with a gas to form what?
halide
photone
tungsten particles
optical light
What is the outer 'glass' case of a halogen lamp made from?
Quartz
Glass
Silicate
Perspex
In order to prolong the life of a halogen lamp - which of the following points needs to be considered?
install it in a horizontal position
try not to handle it
run it at a reduced voltage where possible
do not run it excessively
Ordinary incandescent lamps may have a 'base' connection that is either BC or ___ ?
ES
GS
goliath
Lilliput
Ordinary incandescent lamp 'base' connection may be a BS type, what is meant by the letter B ?
bayonet
bulb
base
bottom
Ordinary incandescent lamp 'base' connection may be a ES type, what is meant by the letter E ?
Edison
electric
easy
efficient
There are TWO main categories of lamp - Incandescent and _______ ?