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Q 1/50
Score 0
The first incandescent electric light was made in 1800 by______
30
Lewis Latimer
Thomas Edison
Humpry Davy
Joseph Swan
Q 2/50
Score 0
An American Inventor experimented with different filament.He eventually produced a bulb that could glow for over 1500 hours.
30
Joseph Swan
Humpry Davy
Lewis Latimer
Thomas Edison
50 questions
Q.
The first incandescent electric light was made in 1800 by______
1
30 sec
Q.
An American Inventor experimented with different filament.He eventually produced a bulb that could glow for over 1500 hours.
2
30 sec
Q.
Who invented the Tungsten Filament,which lasted longer than other filament.
3
30 sec
Q.
The metal wires that glow brightly when electricity flows through them.
4
30 sec
Q.
The wires that carry electricity from the bulbs electrical contact to the filament.
5
30 sec
Q.
The metallic base of the bulb that connects to the lecyrical contacts of the lamp.
6
30 sec
Q.
The thin layer of of the glass that surrounds the light bulb mechanism.
7
30 sec
Q.
The glass that insulates the bulb fuses located in the stem of the bulb
8
30 sec
Q.
The Threaded Base of the bulb that secures it to the lamp.
9
30 sec
Q.
Wires that physically Hold up the Filament.
10
30 sec
Q.
The tube that originally projects beyond the bulb.
11
30 sec
Q.
Protects the lamp and circuit by blowing if the filament arcs.
12
30 sec
Q.
Glass is heated during manufacturing ans support wires stuck in to it.
13
30 sec
Q.
It is the combination of nickel iron alloy core and a copper sleeve
14
30 sec
Q.
It is made of Molybdenum wires that support the filament
15
30 sec
Q.
It is used in higher wattage general service lamps when needed to reduce the circulation of hot gases
16
30 sec
Q.
It is the mixture of Nitrogen and Argon inside the bulb
17
30 sec
Q.
Glass rod supports button
18
30 sec
Q.
These lamps are used normally for interior and exterior general task lighting
19
30 sec
Q.
These lamps are generallyb used in automotive, aircraft and appliance application.
20
30 sec
Q.
These lamps are used in photography and Projection service.
21
30 sec
Q.
An electric discharge lamp in which the major portion of the radiation is produced by the excitation of mercury atoms.
22
30 sec
Q.
A discharge lamp in which the light is produced by the radiation from an excited mixture of metallic vapor
23
30 sec
Q.
An electric discharge lamp in which the radiation is produced by an excitation of sodium vapor.
24
30 sec
Q.
What should be the first procedure in the installation of Incandescent lamp?
25
30 sec
Q.
From the given options, what should be the second procedure to follow?
26
30 sec
Q.
From the choices below,what shoukd be the third step?
27
30 sec
Q.
All measuremen ts should be taken from the ______________ of the fixtures.
28
30 sec
Q.
Make Splices and joints inside the _______________.
29
30 sec
Q.
Always make an allowance of _____________________ for fututre tapping and Termination.
30
30 sec
Q.
It is tubular bulb contatining mercury vapor and inert gas with phosphor coating inside.
31
30 sec
Q.
It is an induction coil which produces high voltage to start the lamp into operation.
32
30 sec
Q.
It is a glow switch that opens and close the cirucit so as to produce inductive kick across the fluorescent
33
30 sec
Q.
This is the point of connection of the fluorescent .
34
30 sec
Q.
The Metal Housing of the whole fixture
35
30 sec
Q.
A type of electric discharge fluorescent lamp that requires glow switch and is pre heated during starting
36
30 sec
Q.
An electric discharge fluorescent lamp that requires high voltage in its operation.
37
30 sec
Q.
An electric discharge fluorescent lamp in which sufficient voltage is applied across the cathodes to create an instatntatneous arc
38
30 sec
Q.
These electric discharge fluorescent lamp have different circuitry.The circuit eliminates the delay inherent inherent in pre heat circuit by keeping the lamp cathode constantly energized
39
30 sec
Q.
The tube Filament, starter and ballast are connected in ____________,which constitute a complete circuit when the switch is closed.
40
30 sec
Q.
An over current protective device that blows out when short ciruit occurs.
41
30 sec
Q.
An over current protective device that automatically cuts off current when short ciruit occurs.
42
30 sec
Q.
It is used to Hold Lighting fixtures such as Switch and Convenience outlet.
43
30 sec
Q.
It is where termination and splices are done.
44
30 sec
Q.
It is a device that acts as aconvenient source of electrical energy
45
30 sec
Q.
A kind of wire made of multiple strands.
46
30 sec
Q.
A kind of connection in which the bulb is connected side by side and one will not light if one of the bulb is missing.
47
30 sec
Q.
A kind of connection in which the bulb is connected across each other, and if one of the bulb is missing ,the rest of the bulb will still light.
48
30 sec
Q.
It controls the flow of current in the circuit.
49
30 sec
Q.
Protects the building, appliances and instruments from destruction and damage.
