WorksheetsUnit-8 Maintaining Lighting System
Total questions: 66
Worksheet time: 33mins
What does ELV stand for in relation to FELV, PELV or SELV equipment.
Extra lighting voltages
Electro Lighting Voltage
Extra Low Voltage
Enhanced Low Voltage
Which metals is commonly used as a filament in an Incandescent Lamp.
Mercury
Copper
Sodium
Tungsten
Recognize the name of parts 1 and 2
Stem and electrode
Stem and Cap
Cap and Resistor
None of the above
Identify the part of the Sodium Lamp, labelled C.
Electrode
Arc tube
Glass Envelope
Mercury and Argon gas filing
Which lamp has electrons migrating through gas while energy change mercury from liquid to gas
High Pressure Sodium
Fluorescent
LED
Incandescent
Find the part name 3 and 4?
Cap and electrode
Stem and resistor
Resistor and starting electrode.
None of the above
When installing wiring to the latest standards recommended by the IET/ICEL (supporting BS7671), what color should be used for the neutral line.
Yellow
Grey
Red
Blue
Name the parts 5 and 6 from the picture
Top support and stem
Fluorescent coating and top support
Cap and end support
None of the above
Which of these is genuine factor that effects light levels in installation over period of time.
The supply current
Number of luminaires in the system
Dirt on the light reflecting surfaces.
The supply voltage
What is the ratio of low energy lamps recommended by regulations for internal fittings.
All the fittings
One of every four
Three of every four
Two of every five
Recognize the parts 7 and 8
Stem and electrode
Solder and support frame
Cap and resistor
None of the above
Which is the correct term for the time to reach full illuminance in emergency lighting system.
Slow burn reaction time
Restrike time.
Standby time
Run-up time
As a recognized standard for a schedule of testing would you check for correct operation as a simple walk around/ visual check.
Six Monthly
Three years
As and when felt necessary by the employee.
Daily
Choose the name of the part numbers 9 and 10.
Main electrode and arc tube
Cap and arc tube
Arc tube and Stem
None of the above
For emergency, what is the recommended lux level in line with the ICEL for high-risk areas.
1 lux min
no limit
10% of normal illuminance
0.5 lux
Why fluorescent tubes should be disposed of in a safe manner.
Dangerous and harmful to human body
Environmental Protection act
Do not reuse.
it is harmful to animals.
Select the name of numbers 11 and 12 from the picture
Cap and top support
Electrode and Stem
argon+ mercury and Nitrogen fill
Resistor and stem
What is the health and safety hazard while Flickering Fluorescent tubes when testing rotating equipment.
Rotating equipment may appear static, risk of injury.
Invisible.
Appear in different location.
Appear as Two instead of one.
Choose appropriate answer, what a multimeter is used for?
Testing intensity of light
for testing resistance, voltage, current, circuit continuity.
Testing Magnetic field.
testing faulty lights only.
Choose three main categories of electric lights.
Incandescent lamps and florescent lamps
Incandescent lamps, gas-discharge lamps, and LED lamps
Philips, Osram and Sony.
LDR, FET, LED
Recognize the names 1 and 2
Glass bulb and gas filling
Cap and fuse
Stem and support
None of these
What is the principles of gas- discharge lamp?
Where a filament heated white-hot by electric current.
Where an electric arc is passed through a gas.
Electrons is passed across a band gap in a semiconductor.
None of these
Find out the names of parts number 3 and 4?
fuse and exhaust tube
Lead wires and support wires
Tungsten filament and support wires
None of these
I should wait until an incandescent bulb has burned out before I install my new CFL.
False
True
Choose the name of the parts 5 and 6 of the incandescent lamp
Lead wires and dumet wires
Tungsten wires and gas filling
Stem and cap
none of the above
All ENERGY STAR-qualified CFLs can be used with dimmer switches.
False
True
Select the name of parts number 7 and 8 of the picture
Stem and cap
Exhaust tube and stem
tungsten and cap
none of the above
CFLs can be used in outdoor fixtures.
True
False
Recognize the parts number 9 and 10 of the incandescent lamps
Stem and electrode
Fuse and cap
Cap and Tungsten
none of the above
CFLs cannot be used in cold climates.
True
False
True or false: Once a CFL is turned on it should be left on all day.
True
False
Recognize the lamp from the picture
Halogen lamp
Fluorescent lamps
Incandescent lamp
Watts
Who patent the incandescent lamp?
David Melville
Thomas Edison
Nicolas Tesla
Emmett Wiley
Find the name of the lamp shown in picture?
Halogen lamp
Incandescent lamp
Compact fluorescent lamps
LED
What does daylighting mean?
Using landscaping to provide shade for buildings in summer.
Using windows and skylights to bring sunlight into buildings.
Using windows, walls, and floors to collect, distribute solar.
Using refractive material outside to keep heat and light.
Find out the name of lamp shown in the picture?
Incandescent lamp
Halogen lamps
Fluorescent lamp
LED
What type of air is inside an incandescent light bulb?
Inert Gas
Hydrogen
Oxygen
Carbon
Electrical wiring standards, blue color indicates.
Live
Neutral
Earth
Ground
In Electrical wiring, brown color wire indicates.
Earth
Neutral
None of these
Live
Earth line indicates which color in the electrical wiring system.
Blue
Black
Yellow-green
Yellow- Black
Which wire connect to the fuse in the electrical plug?
Line
Neutral
Blue
Earth
Choose appropriate name of the lamp shown in picture.
Fluorescent Lamp
Arc Lamp
Incandescent Lamp
LED
Choose right answer, what is the name of the lamp shown in picture?
Fluorescent Lamp
Mercury Lamp
Incandescent Lamp
LED
Find right name of lamp shown in picture?
Fluorescent Lamp
Sodium Lamp
Incandescent Lamp
LED
Select a name for the white box in the picture
Copper filament
Tungsten filament
Silver filament
Aluminum filament
Which of these is an advantage of a LPS (Sodium) Lamp.
It contains a material can combust when exposed to nitrogen.
Lumen output does not drop with age.
Can be retro fitted into older mercury vapors fixtures.
It operates an extra low arc voltage of 52V - 100V.
What kind of material should not be used for diffusers in fire protecting or resisting ceilings, unless specifically tested.
Greyed Glass
Optical Refractive Polymer
Thermoplastic
Opal Glass
Select the name of the picture
LED lamp
Metal hallide lamps
Fluorescent lamp
Incandescent lamp
Which are the two main types of emergency lighting systems.
High Risk and Open Area
Escape Route and Low Risk
High Risk and Closed Area
Emergency Standby and Escape
What kind of Emergency Light uses the principle of motion as a trigger to illuminate.
PIR
Halogen LPS
Ambient passive LED
Battery operated only.
What is the health and safety hazard when inspecting large batches of engineering components in poor lighting conditions?
Itching on the hands
Cannot walk properly.
Eye strain
Respiratory problems
What is the principles of incandescent lamp?
Where a filament heated white-hot by electric current.
Where an electric arc is passed through a gas.
Electrons is passed across a band gap in a semiconductor.
None of these
What is the principles of LED lamp?
Where a filament heated white-hot by electric current.
Where an electric arc is passed through a gas.
Photon is passed across a band gap in a semiconductor.
None of these
A watt is a measure of light output.
False
True
Used CFLs can be disposed of with regular trash.
False
True
Replacing a single 100-watt incandescent bulb with a CFL can save me over $50 per year.
False
True
What type of lamp showing in the picture?
Mercury lamp
None of the above
Fluorescent lamp
Incandescent lamp
How is light bulb brightness measured?
Joules
Foot candles
Lumens
Watts
Which of the following is not a type of lighting control?
Three-way lighting system
One way lighting system
Two-way lighting system
None of the above
The filament inside a modern incandescent light bulb is made from what type of metal
Copper
Tungsten
Aluminum
Silver
Which are a group of governing regulatory bodies that can be referred to for lighting systems.
CIBSE, MHOR / LOLER, BS7671
ICEL, SLL, OHSA, CIBSE
SSL, BS7671, LOLER
SSL, ICEL, PUWER, COSHH
How is light bulb brightness measured?
Joules
Foot candles
Lumens
Watts
Which of the following is not a type of lighting control?
Dimers
Timers
Pendants
Photo sensors
What type of lamp showing in the picture?
Mercury lamp
None of the above
Neon lamps
Incandescent lamp
What type of lights using this lamp in the picture?
Mercury lamp
None of the above
LEDs
Incandescent lamp
What type of lighting system showing in the picture?
Two-way lighting system
Single way lighting system
Three-way
none of the above
