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Lighting and Illumination MCQ

What is an LED Array?

A group of light-emitting diodes

A group of diodes that converts electrical energy into visible light

A group of LEDs mounted on a printed circuit board, capable of producing a lighting output.

A group of photodiodes

Answer

Correct Answer: A group of LEDs mounted on a printed circuit board, capable of producing a lighting output.

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What is layering light?

A type of lightbulb

An interior design approach where several types of lighting are combined to achieve a specific ambience or mood.

A way to save energy

A lighting company

Answer

Correct Answer: An interior design approach where several types of lighting are combined to achieve a specific ambience or mood.

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What is the lampholder?

The light emitted by a lamp

A device that allows electricity to flow to a lamp

A support for a lamp without a base

The part of a lighting fixture that provides support and power for a lamp with a matching base.

Answer

Correct Answer: The part of a lighting fixture that provides support and power for a lamp with a matching base.

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What is the specific component of a lighting fixture that emits light?

Light

Bulb

Lamp

Candle

Answer

Correct Answer: Lamp

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What is the measurement unit for energy consumption?

Kilowatt-hour

Watt

Horsepower

Joule

Answer

Correct Answer: Kilowatt-hour

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What does kilowatt measure?

Electric power

Frequency

Circuit current

Voltage

Answer

Correct Answer: Electric power

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What does Kelvin (K) measure?

Weight

Temperature

Length

Frequency

Answer

Correct Answer: Temperature

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What is the International Dark-Sky Association?

A night-time cleaning company

A astronomy club for amateurs

An international authority on light pollution and environmentally responsible outdoor lighting.

A research organisation for night-time animals

Answer

Correct Answer: An international authority on light pollution and environmentally responsible outdoor lighting.

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What is the primary purpose of soffit lighting?

To illuminate areas of the ceiling that are lower than the primary surface

To provide general lighting for the room

To highlight a specific area

To provide task lighting

Answer

Correct Answer: To illuminate areas of the ceiling that are lower than the primary surface

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What is an integrated lighting fixture?

A type of light that is used for growing plants

A type of lighting fixture that offers superior energy efficiency, by using a specially-designed LED array and internal geometry.

A lamp that is used for decoration

A device that is used to measure light

Answer

Correct Answer: A type of lighting fixture that offers superior energy efficiency, by using a specially-designed LED array and internal geometry.

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What is an IC Fixture?

Interior Client Fixture

Indirect Contact Fixture

Insulated Ceiling Fixture

Insulated Coil Fixture

Answer

Correct Answer: Insulated Ceiling Fixture

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A type of fluorescent lighting ballast that applies a high-voltage pulse to the lamp is known as?

Emergency Ballast

Programmed Start Ballast

Instant Start Ballast

Rapid Start Ballast

Answer

Correct Answer: Instant Start Ballast

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What does "Initial Lumens" mean?

The Lighting output of a new lamp

The Lighting output of a bright lamp

The Lighting output of a old lamp

The Lighting output of a dim lamp

Answer

Correct Answer: The Lighting output of a new lamp

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What is the main difference between an induction lamp and a fluorescent lamp?

Induction lamps contain mercury, whereas fluorescent lamps do not.

Induction lamps are not as efficient as fluorescent lamps.

Induction lamps produce more light than fluorescent lamps.

The gas is not stimulated directly by electrodes in an induction lamp.

Answer

Correct Answer: The gas is not stimulated directly by electrodes in an induction lamp.

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What is the output of a lamp in indirect lighting?

Direct

Diffused

Blocked

Reflected

Answer

Correct Answer: Reflected

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What type of filament does an Incandescent Lamp have?

Tungsten

Gold

Silver

Copper

Answer

Correct Answer: Tungsten

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What is light produced by heating a material called?

Luminescence

Fluorescence

Reflection

Incandescence

Answer

Correct Answer: Incandescence

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What does illuminance measure?

The wavelength of light.

The brightness of a light source.

The luminous flux on a surface, per unit of area.

The luminous intensity of a light source.

Answer

Correct Answer: The luminous flux on a surface, per unit of area.

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What does HPS stand for?

High-pressure sodium

High-pressure steam

Hydrostatic pressure sensor

High-pressure sodium vapor

Answer

Correct Answer: High-pressure sodium

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What is the main advantage of high voltage lamps?

They are cheaper to produce.

They use less energy.

They offer naturally diffused or scattered light.

They last longer.

Answer

Correct Answer: They offer naturally diffused or scattered light.

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What is the rated power of an HO lamp?

Cannot be determined from the information given

The same as conventional fluorescent tubes

Higher than conventional fluorescent tubes

Lower than conventional fluorescent tubes

Answer

Correct Answer: Higher than conventional fluorescent tubes

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What creates a small but very bright ball of plasma in HEP lighting technology?

Carbon dioxide

Radiofrequency

Helium

Nitrogen

Answer

Correct Answer: Radiofrequency

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What is the primary purpose of High-Bay Lighting?

To provide lighting in restaurants or hotels.

To provide lighting in office buildings or shopping malls.

To provide lighting in sports complexes, warehouses, or industrial locations.

To provide lighting in homes or apartments.

Answer

Correct Answer: To provide lighting in sports complexes, warehouses, or industrial locations.

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What is the common name for lighting systems designed for ceiling heights of 25’ or more?

Medium-Bay Lighting

High-Bay Lighting

Low-Bay Lighting

No-Bay Lighting

Answer

Correct Answer: High-Bay Lighting

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What does HID stand for?

Heavy-ion dynamics

High-in density

High-intensity discharge

Hyper-ionospheric depletions

Answer

Correct Answer: High-intensity discharge

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What is a heat sink?

A lamp or luminaire component that is used to dissipate heat effectively.

A device that increases the temperature of a material

A device that regulates the temperature of a material

A device that decreases the temperature of a material

Answer

Correct Answer: A lamp or luminaire component that is used to dissipate heat effectively.

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What is the name given to an improved version of incandescent lamps?

Neon Lamp

Halogen Lamp

Xenon Lamp

Krypton Lamp

Answer

Correct Answer: Halogen Lamp

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What is Hard Light?

A light source that is not easily broken.

A light source that creates shadows with a very sharp edge when cast on objects.

A light source that does not create shadows when cast on objects.

A light source that is not harmful to the eyes.

Answer

Correct Answer: A light source that creates shadows with a very sharp edge when cast on objects.

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What is glare?

Visual impairment caused by a bright source of light, directly visible or reflected by a surface.

A measure of the amount of uv radiation

The way light is scattered or reflected by an object or surface

A type of eyeglass lens coating that eliminates reflections and increases the amount of light that passes through the lens.

Answer

Correct Answer: Visual impairment caused by a bright source of light, directly visible or reflected by a surface.

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What is a Frosted Lens?

A white lens that is transparent and not translucent, which diffuses the output of a lamp.

A black lens that is translucent but not transparent, which diffuses the output of a lamp.

A white lens that is translucent but not transparent, which diffuses the output of a lamp.

A white lens that is translucent and not transparent, which amplifies the output of a lamp.

Answer

Correct Answer: A white lens that is translucent but not transparent, which diffuses the output of a lamp.

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What is the measurement unit for illuminance?

Candela per square meter

Lumens per unit of area

Foot-candle (fc)

Foot-Lamberts (FL)

Answer

Correct Answer: Foot-candle (fc)

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What is the advantage of flush mount lighting?

It is very expensive.

The light is very dim.

It is hard to find.

There is little or no gap between the ceiling and the light.

Answer

Correct Answer: There is little or no gap between the ceiling and the light.

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What is the main advantage of fluorescent lamps?

They are less expensive than LED lighting.

They are far more efficient than incandescent and halogen bulbs.

They last longer than LED lighting.

They produce more light than LED lighting.

Answer

Correct Answer: They are far more efficient than incandescent and halogen bulbs.

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Which type of lighting is more efficient than Fluorescent Lamp?

Incandescent

LED lighting

Halogen

Tesla

Answer

Correct Answer: LED lighting

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What is the purpose of floodlights?

A device used to communicate with extraterrestrial beings

A device used to create the illusion of daylight

A device used to prevent flooding

High-power lighting fixtures that typically use HID bulbs or their LED equivalents.

Answer

Correct Answer: High-power lighting fixtures that typically use HID bulbs or their LED equivalents.

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What is the main cause of a lamp flickering?

Dirty lightbulb

Bulb being loose

Brightness settings

Power supply issues

Answer

Correct Answer: Power supply issues

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What is flicker?

The state of being awake

A unit of time

A phenomenon where a lamp blinks repeatedly, often caused by power supply issues, or a faulty ballast or driver.

A sudden burst of energy

Answer

Correct Answer: A phenomenon where a lamp blinks repeatedly, often caused by power supply issues, or a faulty ballast or driver.

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What is a Flat Panel Top LED?

A low-profile LED fixture that uses a flat panel instead of an edge-lit panel.

A low-profile LED fixture that uses an edge-lit panel, designed to replace linear and parabolic fluorescent fixtures.

A light-emitting diode that is used as a panel in fluorescent fixtures.

A fluorescent fixture that uses a flat panel instead of a parabolic reflector.

Answer

Correct Answer: A low-profile LED fixture that uses an edge-lit panel, designed to replace linear and parabolic fluorescent fixtures.

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What is a filament?

A wire coil that is heated to produce lighting in incandescent and halogen lamps, normally made from tungsten.

A unit of length equal to 10−15 m

A light-sensitive layer in a photographic film or plate

A thin ribbon of material

Answer

Correct Answer: A wire coil that is heated to produce lighting in incandescent and halogen lamps, normally made from tungsten.

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What is the filament of an incandescent light bulb made from?

Tungsten

Fluorine

Carbon

Neon

Answer

Correct Answer: Tungsten

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What is the name of the 1992 law that established minimum efficacy requirements for incandescent and fluorescent lamps?

Taxation

Energy Policy Act

Research and development

Environmental Protection Agency

Answer

Correct Answer: Energy Policy Act

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What is Energy Star?

A solar panel

A recycled material

An energy savings and sustainability program by the US Department of Energy and Environmental Protection Agency.

A type of lightbulb

Answer

Correct Answer: An energy savings and sustainability program by the US Department of Energy and Environmental Protection Agency.

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What is the purpose of an ER lamp?

To create a soft light

To improve the look of a room

To collect and reflect light through a barrel in front of the fixture.

To provide general lighting

Answer

Correct Answer: To collect and reflect light through a barrel in front of the fixture.

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What is an ER lamp?

A soft glass lamp that collects and reflects light through a barrel about 2" in front of the fixture.

A hard glass lamp that emits light through a barrel about 2" in front of the fixture.

A hard glass lamp that collects and reflects light through a barrel about 2" in front of the fixture.

A soft glass lamp that emits light through a barrel about 2" in front of the fixture.

Answer

Correct Answer: A soft glass lamp that collects and reflects light through a barrel about 2" in front of the fixture.

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What is the main advantage of electronic transformers over magnetic transformers?

Smaller and lighter

Step the line voltage down

Special dimmers

Use electronic switching

Answer

Correct Answer: Smaller and lighter

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What are electronic ballasts?

Cannot eliminate humming and flickering issues

Weigh the same as magnetic ballasts

More expensive than magnetic ballasts

Lighter and more efficient than magnetic ballasts

Answer

Correct Answer: Lighter and more efficient than magnetic ballasts

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Efficiency is a conversion ratio between what two lighting power outputs?

Light bulb output and electric power input

Fluorescent light output and electric power input

Lighting power output and electric power input

Incandescent light output and electric power input

Answer

Correct Answer: Lighting power output and electric power input

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What does the term efficacy refer to?

The durability of a light bulb

The color of light emitted from a light source

How effectively a lighting fixture can convert electric power into lighting

Answer

Correct Answer: How effectively a lighting fixture can convert electric power into lighting

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What is the term for a type of LED fixture that uses a transparent acrylic pattern with etched dots, lines or patterns?

Pattern Lit LED

Dot Lit LED

Edge Lit LED

Line Lit LED

Answer

Correct Answer: Edge Lit LED

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What is the main purpose of a driver?

To increase the main supply voltage

Transforms the main supply voltage into a lower DC voltage

To reduce the main supply voltage

To provide a higher DC voltage

Answer

Correct Answer: Transforms the main supply voltage into a lower DC voltage

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What is a downlight?

A device that uses mirrors to reflect light

A compact lighting fixture that directs its output downward

A type of street light

A lightbulb that is commonly used in lamps

Answer

Correct Answer: A compact lighting fixture that directs its output downward

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What is the cause of glare when viewing a light source directly?

The light source is too far away.

The light is too bright.

You are not looking at the light source closely enough.

You are not looking at the light source directly.

Answer

Correct Answer: The light is too bright.

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What is the cause of glare?

Mirrors

Fluorescent light

Sunlight

Directed light

Answer

Correct Answer: Directed light

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What is a dimmer?

A device that emits light

A device that regulates the lighting output of a lamp by controlling the power supplied.

A device that reflects light

A device that measures light

Answer

Correct Answer: A device that regulates the lighting output of a lamp by controlling the power supplied.

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What is the adjective used to describe a lamp or fixture whose lighting output can be modulated with a dimmer?

Dimmable

Shining

Illuminated

Bright

Answer

Correct Answer: Dimmable

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What does a diffuser do?

Make the light from a bulb brighter

Scatter the light from a bulb

Make the light from a bulb more concentrated

Make the light from a bulb more blue

Answer

Correct Answer: Scatter the light from a bulb

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What is diffused light?

Light that cannot be seen

Light that is scattered in all directions

A type of lightbulb

Light produced by an extended surface, either directly or through reflection.

Answer

Correct Answer: Light produced by an extended surface, either directly or through reflection.

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What is a desk lamp?

A compact fixture used for task lighting on a desk, and which is generally portable.

A device used to measure electric current

A device that powers electric lamps

A device used to produce light by electricity

Answer

Correct Answer: A compact fixture used for task lighting on a desk, and which is generally portable.

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What does DC stand for?

Dynamic Control

Direct Current

Distributed Capacity

Densely Coded

Answer

Correct Answer: Direct Current

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What is the CCT value of a daylight lamp?

5500K to 6500K

5400K

4500K

6200K

Answer

Correct Answer: 5500K to 6500K

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What does CCT stand for?

Color Correlation Temperature

Correlated Color Temperature

Continuous Color Temperature

Chromaticity Coordinate Temperature

Answer

Correct Answer: Correlated Color Temperature

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What is the main purpose of daylight harvesting?

Reduce energy costs

To create indoor spaces that feel natural and appealing

To maximize the use of natural light

To reduce the use of artificial light

Answer

Correct Answer: Reduce energy costs

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What does the acronym DALI stand for?

Digitally Addressable Lighting Interface

Digital Audio Lossless Interface

Data Acquisition and Logging Interface

Direct Attached Library Interface

Answer

Correct Answer: Digitally Addressable Lighting Interface

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What is the Cutoff Angle?

The angle at which it is possible to see a light source directly.

The angle of incidence at which light is reflected.

The angle beyond which it is no longer possible to see a light source directly.

The angle at which light is refracted.

Answer

Correct Answer: The angle beyond which it is no longer possible to see a light source directly.

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Crest Factor is the ratio of maximum lamp current to what?

Minimum lamp wattage

Average operating current

Maximum lamp current

Maximum lamp wattage

Answer

Correct Answer: Average operating current

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What is the main purpose of Cove Lighting?

For decorative purposes

To illuminate a space

To create a warm atmosphere

For task lighting

Answer

Correct Answer: For decorative purposes

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What is a cornice?

An architectural feature

A light fixture

A soffit at the top corner of a wall

A type of paint

Answer

Correct Answer: A soffit at the top corner of a wall

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What is Cool White?

A light source with a correlated color temperature of around 3000K.

A light source with a correlated color temperature of around 6500K.

A light source with a correlated color temperature of around 2700K.

A light source with a correlated color temperature of around 4100K.

Answer

Correct Answer: A light source with a correlated color temperature of around 4100K.

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What is the name given to a type of fluorescent lamp where the tube is bent into a compact shape to reduce space requirements?

Bulb Fluorescent Lamp

Curved Fluorescent Lamp

Twisted Fluorescent Lamp

Compact Fluorescent Lamp

Answer

Correct Answer: Compact Fluorescent Lamp

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What is a Cold Cathode Fluorescent Lamp?

A types of Cathode Ray Tube

A discharge tube in which electrons flow from a cathode to an anode, producing ultraviolet light

A device that uses an electric arc to ionize gas in a sealed container, producing light

A fluorescent lamp that emits electrons without heating its electrodes, applying only a high voltage

Answer

Correct Answer: A fluorescent lamp that emits electrons without heating its electrodes, applying only a high voltage

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What is the coefficient of utilization?

The fraction of a lamp's power that is used to produce light.

The fraction of a lamp's luminous output that reaches the work plane.

The fraction of a lamp's luminous output that is reflections.

The fraction of a lamp's luminous output that does not reach the work plane.

Answer

Correct Answer: The fraction of a lamp's luminous output that reaches the work plane.

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What is a circuit breaker?

A device used to store electrical energy

A device used to measure electric current

A device used to break an electric circuit

An electrical protection device that is normally located within a distribution board.

Answer

Correct Answer: An electrical protection device that is normally located within a distribution board.

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What is the ceiling cavity?

The portion of a room that is above the furnishings

The portion of a room that is below the lighting fixtures

The portion of a room that is above the lighting fixtures

The portion of a room that is above the flooring fixtures

Answer

Correct Answer: The portion of a room that is above the lighting fixtures

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What is a canopy?

Part of a lighting fixture that covers the outlet box and wiring connections.

A device for measuring electrical charge

A type of plant

The top layer of the rainforest

Answer

Correct Answer: Part of a lighting fixture that covers the outlet box and wiring connections.

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What term describes the effect when lighting fixtures direct all of their lighting downward?

Cave Effect

Glare Effect

Shadow Effect

Reflection Effect

Answer

Correct Answer: Cave Effect

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What is the SI unit for luminous intensity?

Foot-candle

Candela

Lumen

Lux

Answer

Correct Answer: Candela

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What is the common term for the housing of a recessed downlight?

Gimble

Trim

Can

Potlight

Answer

Correct Answer: Can

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For what is a lamp's burn position designed?

The position of the operator

The position in which it is burned

The operating position

The position of the burns

Answer

Correct Answer: The operating position

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What is a bulb?

A transparent casing that contains a light source, generally made from glass.

A unit of measurement of light

A light that does not require a power source

A type of fruit

Answer

Correct Answer: A transparent casing that contains a light source, generally made from glass.

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What is a bollard?

A type of fabric made from cotton

A type of lighting fixture consisting of a short and broad post with a lamp on top.

A small boat that is rowed

A unit of measure for lumber

Answer

Correct Answer: A type of lighting fixture consisting of a short and broad post with a lamp on top.

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What is a Bayonet?

A town in Louisiana

A large knife that can be attached to the end of a rifle

A type of lamp base that connects with the socket using keyways instead of threads.

A bay horse

Answer

Correct Answer: A type of lamp base that connects with the socket using keyways instead of threads.

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What is the base temperature?

The freezing point of water

Maximum allowable temperature of a lamp base

The boiling point of water

The lowest recorded temperature on Earth

Answer

Correct Answer: Maximum allowable temperature of a lamp base

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What is the purpose of a base in a lamp?

To provide physical support for the lamp

To connect to the lighting fixture and provide both physical support and electric power for the lamp

To connect to the lighting fixture and provide electric power for the lamp

To provide electric power for the lamp

Answer

Correct Answer: To connect to the lighting fixture and provide both physical support and electric power for the lamp

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What is the ballast factor?

The number of lamps connected to a ballast.

The wattage of a lamp.

Value that describes how a ballast affects the rated lighting output of a lamp.

The type of lamp.

Answer

Correct Answer: Value that describes how a ballast affects the rated lighting output of a lamp.

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What is the name of the unit that represents the brightness looking directly at the source itself?

Lumens

Footcandles

Candela

Lux

Answer

Correct Answer: Candela

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What is luminous intensity?

The light output of a lamp

A measurement of the light radiating from the lamp in a particular direction

The amount of light in a particular direction

The power consumption of a lamp

Answer

Correct Answer: A measurement of the light radiating from the lamp in a particular direction

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The human visual system has a stronger response to _____ than to other colours.

Brown

Blue

Yellow

Green

Answer

Correct Answer: Green

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What is a PECTRAL chart?

A chart of the frequencies of electromagnetic radiation

A chart of the wavelengths of electromagnetic radiation

A chart of the visible spectrum of colors

A chart of the primary colors of light

Answer

Correct Answer: A chart of the visible spectrum of colors

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Which of the following is a unit of measurement for Colour Temperature?

Lux

Lumen

Kelvin

Candela

Answer

Correct Answer: Kelvin

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What range of the electromagnetic spectrum does visible light occupy?

15-30 nanometres

10-400 nanometres

400-700 nanometres

700-1000 nanometres

Answer

Correct Answer: 400-700 nanometres

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Which of the following is TRUE about visible light?

It is a type of heat

It is a part of the electromagnetic spectrum

It is a type of microwave

It is a type of radio wave

Answer

Correct Answer: It is a part of the electromagnetic spectrum

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What is ballast?

A component required by fluorescent and HID lighting fixtures.

A path for a railway train

A heavy anchor chain used to steady a ship

The metal or stone bottom of a pillar

Answer

Correct Answer: A component required by fluorescent and HID lighting fixtures.

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What does a baffle do?

Contains light source.

Allow direct sight of a lighting source.

Block direct sight of a lighting source.

Made of glass.

Answer

Correct Answer: Block direct sight of a lighting source.

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What does backlighting do?

Illuminate an object from the front

Cause an unappealing glow effect around an object's edges

Cause an appealing glow effect around an object's edges

Illuminate an object from behind

Answer

Correct Answer: Illuminate an object from behind

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Backlight is defined as the lighting output of outdoor fixtures that is emitted ________.

At a 90 degree angle from the intended direction

In a circle around the intended direction

Opposite to the intended direction

In the same direction as the intended direction

Answer

Correct Answer: Opposite to the intended direction

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What is argon used for?

To make the glass for windows

To prevent oxidation inside the bulbs of incandescent lamps

To create a bright light

For medical purposes

Answer

Correct Answer: To prevent oxidation inside the bulbs of incandescent lamps

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What is architectural lighting?

A type of lighting used in photography

A type of landscape lighting

A type of lighting used in film

Decorative lighting that is part of a building’s design and construction.

Answer

Correct Answer: Decorative lighting that is part of a building’s design and construction.

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What is an arc lamp?

A lamp powered by a battery

A lamp powered by a generator

A lamp powered by an Edison bulb

A lamp that establishes an electric arc between two electrodes

Answer

Correct Answer: A lamp that establishes an electric arc between two electrodes

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What is the definition of "Application?"

A form that must be completed in order to be considered for a job

A type of cosmetic or skincare product

The action or process of applying something

The intended use of a lighting product.

Answer

Correct Answer: The intended use of a lighting product.

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What is the angle between the orientation of a light source and the viewing direction?

Angle of the Sun

Angle of the Moon

Angle of Darkness

Angle of Light

Answer

Correct Answer: Angle of Light

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What is the procedure of determining the current drawn by a lighting fixture or a circuit consisting of multiple fixtures?

Volt calculations

Kilowatt calculations

Watt calculations

Amp calculations

Answer

Correct Answer: Amp calculations

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What is the measurement unit for electric current?

Meter

Volt

Ampere

Ohm

Answer

Correct Answer: Ampere

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What is the purpose of ambient lighting?

To provide visibility in a built environment

To provide accent lighting

To provide a soothing environment

To provide task lighting

Answer

Correct Answer: To provide visibility in a built environment

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What is accent lighting?

Lighting that is used to accentuate a certain feature.

Lighting that is used to illuminate a room.

Lighting that focuses its output in a narrow beam.

Lighting that is used to create a certain mood.

Answer

Correct Answer: Lighting that focuses its output in a narrow beam.

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What does AC stand for?

Alternating current

Abstract Class

Atomic Clock

Anonymous Class

Answer

Correct Answer: Alternating current

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More Architectural Engineering Subjects

Architectural and Engineering Drawing

Architectural design

Art and design

Building construction

Building Materials and Construction

Built environment and space culture

Climatology

Communications and HVAC

Computer and technology

Computer Programming and Numerical Analysis

Drawing communication

Electrical Systems for Buildings

Energy systems and fire safety

Engineering Mathematics

Environmental Control Systems

Foundation Engineering

Geotechnical Engineering

History of architecture

History of Building Technology

Hydraulics for Architectural Engineers

Introduction to Architectural Engineering

Introduction to Computing

Lighting and acoustics

Mechanical Systems for Buildings

Mechanics and Statistics

Mechanics of Structures

Model workshop

Physics for Architectural Engineers

Professional practice

Sociology

Structural Design

Surveying

Technical Report Writing

Theory of architecture

Theory of structures

Town planning

Urban issues

Water Supply and Sanitation System for Building

More Resources

Architectural Engineering Skill Assessment

Architectural Engineering PDF

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