Lighting & Application
SUBJECT: LIGHTING
Answer the questions with the given choices. The entire questions are composed of basic and board exam type questions. Answer the questions sincerely with the time allotted. The main objective of the quiz is to let the examinees have the feel of answering questions while time pressured.
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Questions and Answers
- 1.
What is the angle of spotlight for walls and paintings?
- A.
10-15 degrees
- B.
15-20 degrees
- C.
20-30 degrees
- D.
30-45 degrees
Correct Answer
C. 20-30 degreesExplanation
The angle of spotlight for walls and paintings is typically between 20-30 degrees. This angle allows for optimal illumination and highlighting of the artwork or wall without causing excessive glare or shadows. It provides a balance between focusing the light on the desired area and spreading it out evenly.Rate this question:
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- 2.
What type of switch has a pilot lamp that allows it to be seen in the dark?
- A.
Glow switch system
- B.
Illuminated switch
- C.
Dimmer switch
- D.
Pilot switch
Correct Answer
B. Illuminated switchExplanation
An illuminated switch is the correct answer because it has a pilot lamp that allows it to be seen in the dark. This pilot lamp is usually an LED or a small light bulb that provides a soft glow, making it easier to locate and operate the switch in low light conditions. The illumination feature is particularly useful in areas where visibility is limited, such as bedrooms, hallways, or control rooms, ensuring that the switch can be easily identified and used even in the dark.Rate this question:
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- 3.
What type of light is best suited for outdoor parking?
- A.
Low pressure sodium
- B.
Illuminated switch
- C.
Dimmer switch
- D.
Pilot switch
Correct Answer
B. Illuminated switchExplanation
The question asks for the type of light that is best suited for outdoor parking. Among the given options, the only one related to lighting is "illuminated switch." An illuminated switch typically has a built-in light that allows it to be easily located and used in the dark. This type of switch would be beneficial in outdoor parking areas where visibility is important, especially during nighttime. Therefore, an illuminated switch is the correct answer for this question.Rate this question:
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- 4.
What type of light is best suited for outdoor parking?
- A.
Low pressure sodium
- B.
Metal halide
- C.
High intensity disc
- D.
Lamp post
Correct Answer
B. Metal halideExplanation
Metal halide lights are best suited for outdoor parking because they provide a bright and natural-looking light. They have a high color rendering index (CRI), which means they accurately represent the colors of objects. This is important in parking lots where drivers need to see clearly and accurately identify objects and people. Metal halide lights also have a long lifespan and are energy-efficient, making them a practical choice for outdoor lighting.Rate this question:
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- 5.
What is use to intensify the light?
- A.
Reflector
- B.
Diffuser
- C.
Troffer
- D.
Chrome grills
Correct Answer
A. ReflectorExplanation
A reflector is used to intensify light by reflecting and redirecting it in a specific direction. It is designed to bounce light off its surface, focusing and concentrating it in a desired area. This helps to increase the brightness and intensity of the light source, making it more effective and efficient. A diffuser, on the other hand, is used to scatter light and reduce its intensity, creating a softer and more even illumination. Troffer and chrome grills are not directly related to intensifying light.Rate this question:
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- 6.
Light use for reading
- A.
Task
- B.
General
- C.
Accent
- D.
Spot
Correct Answer
A. TaskExplanation
This question is asking for the purpose or use of light. Among the given options, "task" is the most suitable answer as it indicates that light is used for a specific activity or job, such as reading. The other options - general, accent, and spot - do not specifically indicate a purpose or use for light. Therefore, the correct answer is "task".Rate this question:
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- 7.
Lighting that calls attention to a particular object or feature in the visual field, or that forms a decorative pattern on a surface?
- A.
Sodium lighting
- B.
Accent lighting
- C.
Neon
- D.
Cove
Correct Answer
B. Accent lightingExplanation
Accent lighting is the correct answer because it refers to the type of lighting that is specifically designed to highlight or draw attention to a particular object or feature in the visual field. It is used to create a focal point or emphasize certain elements in a space. This type of lighting is commonly used in art galleries, museums, or to highlight architectural details in a building.Rate this question:
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- 8.
What type of lamp is use for car parks?
- A.
Mercury light
- B.
Low pressure sodium light
- C.
High pressure sodium light
- D.
CFL
Correct Answer
C. High pressure sodium lightExplanation
High pressure sodium lights are commonly used for car parks because they provide a bright and efficient source of light. These lamps emit a yellowish-orange light that enhances visibility and increases safety in parking areas. Additionally, high pressure sodium lights have a long lifespan and require less maintenance compared to other types of lamps, making them a cost-effective choice for car park lighting.Rate this question:
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- 9.
It is a type of lighting used extensively in signages and utilizes high electrical wattage?
- A.
Led
- B.
Panaflex
- C.
Metal halide
- D.
Cfl
Correct Answer
B. PanaflexExplanation
Panaflex is the correct answer because it is a type of lighting commonly used in signages. It is known for its high electrical wattage, making it suitable for illuminating large signs and displays. LED lights are also commonly used in signages, but they do not typically require high electrical wattage. Metal halide and CFL lights are not commonly used in signages and do not necessarily utilize high electrical wattage.Rate this question:
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- 10.
A type of light use in panaflex signage?
- A.
Led lighting
- B.
Fluorescent tube
- C.
Cfl
- D.
T5
Correct Answer
B. Fluorescent tubeExplanation
The correct answer is fluorescent tube. Fluorescent tubes are commonly used in panaflex signage due to their bright and even illumination. They are energy-efficient and have a long lifespan, making them a popular choice for outdoor advertising. LED lighting is also commonly used in signage, but it is not specified in the question. CFL and T5 are other types of lighting, but they are not as commonly used in panaflex signage as fluorescent tubes.Rate this question:
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- 11.
On what kind of project is the daylight lamp best suited?
- A.
Textile manufacturing
- B.
Bakery
- C.
Restaurant
- D.
Sculpture / art studio
Correct Answer
A. Textile manufacturingExplanation
The daylight lamp is best suited for textile manufacturing projects. This is because textile manufacturing requires accurate color matching and precise detail work, which can be enhanced by using a daylight lamp. The lamp provides a natural and bright light that closely resembles daylight, allowing workers to see colors and details more accurately. This is especially important in textile manufacturing where color accuracy is crucial for producing high-quality products.Rate this question:
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- 12.
What is not part of lightning arrester?
- A.
Down conductor
- B.
Earthen material
- C.
Transmitter
- D.
Lighting rod
Correct Answer
C. TransmitterExplanation
A lightning arrester is a device used to protect electrical systems from the damaging effects of lightning strikes. It works by providing a path of least resistance for the lightning current to follow, diverting it away from sensitive equipment. The components of a lightning arrester typically include a lightning rod, which is a metal rod mounted on top of a structure to attract lightning strikes, an earthen material, which provides a low-resistance path to ground, and a down conductor, which connects the lightning rod to the earthen material. A transmitter, on the other hand, is not a part of a lightning arrester. Transmitters are used for sending and receiving signals in communication systems and are not directly related to lightning protection.Rate this question:
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- 13.
What is used to create contrast and control the light intensity?
- A.
Troffer
- B.
Dimmer
- C.
Accent switcher
- D.
Diffuser
Correct Answer
D. DiffuserExplanation
A diffuser is used to create contrast and control the light intensity. It is a device that scatters or diffuses light, reducing its intensity and creating a soft, even illumination. By spreading the light in different directions, a diffuser helps to eliminate harsh shadows and reduce glare. This makes it an effective tool for creating contrast and controlling the overall brightness in a space. A troffer is a type of light fixture, a dimmer is used to adjust the brightness of a light source, and an accent switcher is not a commonly used term in relation to controlling light intensity.Rate this question:
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- 14.
A type of light that is banned by the government?
- A.
Halogen
- B.
CFL
- C.
Incandescent
- D.
Metal halide
Correct Answer
D. Metal halideExplanation
Metal halide is a type of light that is banned by the government. This type of light contains toxic substances, such as mercury and metal halides, which can be harmful to the environment and human health if not properly disposed of. Due to these concerns, many governments have implemented regulations to restrict or ban the use of metal halide lights.Rate this question:
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- 15.
Why do we use downlight or pin light in stores?
- A.
Dramatic effect
- B.
Emphasize the texture of the materials
- C.
Gives the original tone of color and material
- D.
None
Correct Answer
B. Emphasize the texture of the materialsExplanation
Downlights or pin lights are used in stores to emphasize the texture of the materials. These types of lighting fixtures are designed to direct focused beams of light onto specific areas or objects, creating a spotlight effect. By highlighting the texture of materials such as fabrics, wood, or stone, downlights or pin lights can enhance the visual appeal of products and draw attention to their unique qualities. This can help create a more engaging shopping experience for customers and potentially increase sales.Rate this question:
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- 16.
Which is not a commercial wattage for fluorescent light?
- A.
120W
- B.
20 W
- C.
40W
- D.
36W
Correct Answer
A. 120WExplanation
The given options represent different wattages for fluorescent lights. All the options except for 120W are commonly used commercial wattages for fluorescent lights. Therefore, 120W is not a commercial wattage for fluorescent light.Rate this question:
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- 17.
A type of light that provides uniform light on a wide are?
- A.
Flood light
- B.
Spot light
- C.
Control light
- D.
Directional light
Correct Answer
A. Flood lightExplanation
A flood light is a type of light that provides uniform light on a wide area. It is designed to illuminate a large space or outdoor area, such as a stadium, parking lot, or backyard. Unlike a spot light, which focuses on a specific spot or object, a flood light casts a wide beam of light, evenly illuminating the surroundings. Control light and directional light are not suitable options as they do not provide the same level of wide and uniform illumination as a flood light does.Rate this question:
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- 18.
( a ) ( b ) ( c ) Identify the cove light from the given illustrations?
- A.
A
- B.
B
- C.
C
- D.
None
Correct Answer
B. B -
- 19.
Light that defines "somberness"?
- A.
General lighting
- B.
Diffused lighting
- C.
Spot light
- D.
Accent light
Correct Answer
C. Spot lightExplanation
A spot light is a type of lighting that can be used to create a somber atmosphere. It is a focused beam of light that can be directed to a specific area or object, creating a sense of drama and intensity. The concentrated light creates strong contrasts between light and shadow, adding depth and a sense of seriousness to the space. This makes spot light the most suitable option for defining "somberness" in a lighting context.Rate this question:
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- 20.
Has the most effect on light in a room?
- A.
Material textures
- B.
Color
- C.
Location of window
- D.
Number of wall lighting
Correct Answer
B. ColorExplanation
Color has the most effect on light in a room because different colors absorb and reflect light differently. Light-colored walls and surfaces reflect more light, making the room appear brighter, while dark-colored walls and surfaces absorb more light, making the room appear darker. The color of the room can also affect the perceived temperature and mood of the space.Rate this question:
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- 21.
A set of light bulbs were connected in series connection. If 1 bulb is going to be removed, what will happen?
- A.
The remaining light bulbs will still be lighted
- B.
The other bulbs in series will go out
- C.
The bulbs after the removed bulb will no longer be lighted
- D.
The bulbs before the removed bulb will no longer be lighted
Correct Answer
B. The other bulbs in series will go outExplanation
When light bulbs are connected in series, the current flows through each bulb in the circuit. If one bulb is removed, it breaks the circuit and interrupts the flow of current. As a result, the other bulbs in the series will go out because they are no longer receiving the necessary current to produce light.Rate this question:
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- 22.
A set of light bulbs were connected in parallel connection. If 1 bulb is going to be removed, what will happen?
- A.
The remaining light bulbs will still be lighted
- B.
The other bulbs in series will go out
- C.
The bulbs after the removed bulb will no longer be lighted
- D.
The bulbs before the removed bulb will no longer be lighted
Correct Answer
A. The remaining light bulbs will still be lightedExplanation
When light bulbs are connected in parallel, each bulb has its own separate path to the power source. Therefore, if one bulb is removed, the circuit will remain intact and the remaining light bulbs will still be connected to the power source. As a result, the remaining bulbs will continue to be lighted.Rate this question:
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- 23.
The measure of brightness of a light source or an illuminated surface equal to the luminous intensity per unit protected sera of the source or surface viewed from a given direction?
- A.
Lumen
- B.
Luminance
- C.
Foot candle
- D.
Candela
Correct Answer
B. LuminanceExplanation
Luminance refers to the measure of brightness of a light source or an illuminated surface. It is defined as the luminous intensity per unit projected area of the source or surface when viewed from a specific direction. Luminance is commonly used to describe the perceived brightness of objects or surfaces, and it is measured in units called candelas per square meter (cd/m²).Rate this question:
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- 24.
What type of light is best use for cove lighting?
- A.
Fluorescent light
- B.
T5
- C.
Halogen
- D.
Incandescent
Correct Answer
B. T5Explanation
T5 fluorescent lights are the best type of light to use for cove lighting. T5 lights are energy-efficient, produce a high amount of light output, and have a slim design that makes them ideal for fitting into narrow spaces like coves. They also have a longer lifespan compared to other types of lights, reducing the need for frequent replacements.Rate this question:
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- 25.
What type of light is best used from an oval track and stadium?
- A.
Mercury vapor lamp
- B.
Metal halide
- C.
Low sodium lamp
- D.
High sodium lamp
Correct Answer
B. Metal halideExplanation
Metal halide lamps are the best type of light to be used from an oval track and stadium because they produce a bright, white light that closely resembles natural sunlight. This type of light is ideal for illuminating large areas and providing good visibility for both athletes and spectators. Metal halide lamps also have a longer lifespan and higher energy efficiency compared to other options, making them a popular choice for outdoor sports facilities.Rate this question:
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- 26.
What kind of lighting is best use for outdoor parking?
- A.
HPS
- B.
Metal halide
- C.
Low pressure sodium lamp
- D.
Mercury vapor lamp
Correct Answer
A. HPSExplanation
HPS (High Pressure Sodium) lighting is the best choice for outdoor parking. HPS lights produce a bright, yellowish light that enhances visibility and provides good color rendering. They have a long lifespan and are energy-efficient, making them cost-effective for outdoor lighting applications. HPS lights also have good durability and can withstand harsh weather conditions, making them suitable for outdoor parking areas.Rate this question:
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- 27.
What lighting should you use for working area?
- A.
General lighting
- B.
Spot lighting
- C.
Accent lighting
- D.
Cove lighting
Correct Answer
A. General lightingExplanation
General lighting is the most suitable choice for a working area because it provides overall illumination to the entire space. It ensures that the area is well-lit, allowing individuals to see clearly and work efficiently. General lighting typically consists of ceiling-mounted fixtures or recessed lights that distribute light evenly throughout the room. This type of lighting is essential for tasks that require focus and attention, as it reduces eye strain and promotes productivity. It is also beneficial for creating a comfortable and safe working environment.Rate this question:
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- 28.
Where is the best location for AC cooling tower?
- A.
Roofdeck
- B.
Basement
- C.
Ground level
- D.
Mid-level of the building
Correct Answer
A. RoofdeckExplanation
The best location for an AC cooling tower is on the roofdeck. Placing the cooling tower on the roof allows for better air circulation and prevents any obstructions that may hinder its performance. Additionally, the roofdeck provides ample space for installation and maintenance of the cooling tower, ensuring efficient operation and easy access for repairs if needed.Rate this question:
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- 29.
What type of switch has a pilot lamp that allows it to be seen in the dark?
- A.
"glow in the dark " switch system
- B.
Illuminated switch
- C.
Dimmer switch
- D.
Pilot switch
Correct Answer
B. Illuminated switchExplanation
An illuminated switch is a type of switch that has a pilot lamp, which allows it to be seen in the dark. The pilot lamp is usually a small light bulb or LED that is built into the switch and provides a soft glow when the switch is turned off. This makes it easier to locate and operate the switch in low light or dark environments. The other options mentioned, such as "glow in the dark" switch system, dimmer switch, and pilot switch, do not specifically mention the presence of a pilot lamp or the ability to be seen in the dark.Rate this question:
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- 30.
At day time, artificial lighting comes from the skylight, making beam and columns produce different plays of light. How do you achieve this a night?
- A.
Put a spotlight atop the skylight
- B.
Floor-mounted light projecting upwards
- C.
Place light just below the beam projecting downwards
- D.
Place a light anywhere, making it more dynamic for the light projecting everywhere
Correct Answer
A. Put a spotlight atop the skylightExplanation
Placing a spotlight atop the skylight at night will replicate the effect of artificial lighting during the day. By directing the light downwards from the skylight, it will create different plays of light on the beams and columns, similar to how natural light from the skylight interacts with them during the day. This will help achieve a similar dynamic and aesthetic effect at night as during the day.Rate this question:
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- 31.
Which of the following lamps has the filament?
- A.
Incandescent
- B.
Led
- C.
Fluorescent
- D.
Metal halide
Correct Answer
A. IncandescentExplanation
The incandescent lamp has a filament. When an electric current passes through the filament, it heats up and produces light. This is the basic principle behind incandescent lighting. LED lamps, on the other hand, use a semiconductor to emit light, while fluorescent lamps use a combination of phosphors and gas discharge to produce light. Metal halide lamps also use gas discharge and metal halide salts to create light. Therefore, the correct answer is incandescent.Rate this question:
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- 32.
Identify the type of lighting that is shown above?
- A.
Recessed
- B.
Cove
- C.
Troffer
- D.
Scone
Correct Answer
A. RecessedExplanation
The type of lighting shown above is recessed. Recessed lighting refers to fixtures that are installed into a hollow opening in the ceiling, creating a clean and streamlined look. These fixtures are typically hidden from view, with only the light emitted from them visible. Recessed lighting is commonly used in both residential and commercial settings to provide general or accent lighting.Rate this question:
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- 33.
Identify the lighting fixture shown?
- A.
Incandescent
- B.
Metal halide lamp
- C.
Tungsten lamp
- D.
CFL tube
Correct Answer
B. Metal halide lampExplanation
The lighting fixture shown in the image is a metal halide lamp. It can be identified by its characteristic bright white light and the presence of a small, enclosed bulb with a bluish tint. Metal halide lamps are commonly used in outdoor lighting applications, such as streetlights and sports stadiums, due to their high intensity and efficiency. They are also used in indoor settings where a bright, white light is desired, such as in commercial buildings or large retail spaces.Rate this question:
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- 34.
Identify the lighting as shown, it is commonly use for a college baseball game?
- A.
Flood lighting
- B.
Metal halide lighting
- C.
Spot lighting series
- D.
Led lighting Series
Correct Answer
A. Flood lightingExplanation
Flood lighting is commonly used for a college baseball game because it provides a wide and uniform distribution of light, illuminating the entire playing field. This type of lighting is essential for ensuring visibility for both players and spectators, allowing for a safer and more enjoyable game experience. Metal halide lighting, spot lighting series, and LED lighting series may also be used for various purposes, but flood lighting is specifically designed for illuminating large outdoor areas such as sports fields.Rate this question:
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- 35.
Identify the lighting use for this outdoor football field?
- A.
Flood lighting
- B.
Metal halide lighting
- C.
Spot lighting series
- D.
Led lighting Series
Correct Answer
A. Flood lightingExplanation
The correct answer is flood lighting. This type of lighting is commonly used for outdoor football fields as it provides a wide and uniform distribution of light, ensuring that the entire field is well-lit. Flood lighting fixtures are typically mounted on tall poles around the field, allowing for maximum coverage and visibility during evening games or events. Metal halide lighting, spot lighting, and LED lighting series may also be used for outdoor sports fields, but flood lighting is the most suitable option for football fields.Rate this question:
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- 36.
Identify the lighting type shown?
- A.
Accent lighting
- B.
Cove lighting
- C.
Spot lighting
- D.
Downlighting
Correct Answer
C. Spot lightingExplanation
The lighting type shown is spot lighting because it is focused on a specific area or object. Spot lighting is commonly used to highlight artwork, sculptures, or architectural features. It typically consists of a spotlight or track lighting that can be adjusted to direct the light beam to a specific spot.Rate this question:
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- 37.
Parts of a recessed light that is exposed?
- A.
Trim
- B.
Lining
- C.
Housing
- D.
Edging
Correct Answer
A. TrimExplanation
The correct answer is "trim". In a recessed light, the trim refers to the visible part of the light fixture that is exposed. It is the decorative element that covers the edge of the hole in the ceiling and provides a finished look. The trim can come in various styles and finishes to complement the overall design of the room.Rate this question:
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- 38.
Identify the lighting design shown?
- A.
Accent lighting
- B.
Cove lighting
- C.
Spot lighting
- D.
Downlighting
Correct Answer
B. Cove lightingExplanation
Cove lighting refers to the type of lighting design shown in the image. Cove lighting involves the use of hidden light fixtures placed in a recessed area, such as a cove or ledge, to create a soft, indirect lighting effect. This type of lighting is often used to highlight architectural features or create a warm and inviting ambiance in a space.Rate this question:
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- 39.
As shown in the image, it is the combination of light reflections from various surfaces to produce a uniform illumination?
- A.
Task lighting
- B.
Ambient lighting
- C.
Accent lighting
- D.
Spot lighting
Correct Answer
B. Ambient lightingExplanation
Ambient lighting refers to the overall illumination in a space that provides a uniform level of brightness. It is achieved by combining light reflections from various surfaces, such as walls, ceilings, and floors, to create a balanced and comfortable lighting environment. Unlike task lighting, which focuses on specific areas for performing tasks, or accent lighting, which highlights specific objects or features, ambient lighting aims to evenly distribute light throughout a room to create a pleasant and inviting atmosphere. Spot lighting, on the other hand, is used to direct focused light onto a particular area or object.Rate this question:
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- 40.
A type of lighting design, that provides an area with overall illumination. Also known as general lighting, it radiates a comfortable level of brightness without glare and allows you to see and walk about safely. Refer to interior photo shown.
- A.
Task lighting
- B.
Ambient lighting
- C.
Accent lighting
- D.
Spot lighting
Correct Answer
B. Ambient lightingExplanation
Ambient lighting is a type of lighting design that provides overall illumination to an area. It is also known as general lighting and is designed to radiate a comfortable level of brightness without glare. Ambient lighting allows people to see and walk about safely in a space. In the context of the interior photo shown, ambient lighting would be the most suitable option for providing overall illumination to the area.Rate this question:
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- 41.
A type of lighting design, that adds drama to a room by creating visual interest. As part of an interior design scheme, it is used to draw the eye to houseplants, paintings, sculptures and other prized possessions. It can also be used to highlight the texture of a brick or stone wall, window treatments or outdoor landscaping.
- A.
Task lighting
- B.
Ambient lighting
- C.
Accent lighting
- D.
Spot lighting
Correct Answer
C. Accent lightingExplanation
Accent lighting is the correct answer because it is a type of lighting design that adds drama to a room by creating visual interest. It is used to draw attention to specific objects or areas in a space, such as houseplants, paintings, sculptures, and other prized possessions. It can also be used to highlight textures of walls, window treatments, or outdoor landscaping. This type of lighting is often used in interior design schemes to enhance the overall aesthetic and atmosphere of a room.Rate this question:
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- 42.
A type of lighting design, that helps you perform specific tasks, such as reading, grooming, preparing and cooking food, doing homework, working on hobbies, playing games and balancing your checkbook. It can be provided by recessed and track lighting, pendant lighting and under cabinet lighting, as well as by portable floor and desk lamps.
- A.
Task lighting
- B.
Ambient lighting
- C.
Accent lighting
- D.
Spot lighting
Correct Answer
A. Task lightingExplanation
The given description mentions that this type of lighting design helps with performing specific tasks such as reading, grooming, cooking, etc. This indicates that the lighting is focused on providing illumination for these specific activities, making the correct answer "task lighting".Rate this question:
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- 43.
A semiconductor light source. Electrons are able to recombine with electron holes within the device, releasing energy in the form of photons. See photo above.
- A.
Light - emitting diode
- B.
Christmas light
- C.
T5
- D.
CFL
Correct Answer
A. Light - emitting diodeExplanation
A light-emitting diode (LED) is a semiconductor light source that works by allowing electrons to recombine with electron holes within the device, releasing energy in the form of photons. This process creates light. Therefore, the correct answer is light-emitting diode.Rate this question:
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- 44.
A type of lighting usually use for cove lighting or at top and bottom of cabinet for task lighting?
- A.
CFL tubing
- B.
T5
- C.
Spot light
- D.
Halogen
Correct Answer
B. T5Explanation
The T5 is a type of lighting that is commonly used for cove lighting or at the top and bottom of cabinets for task lighting. It is a fluorescent tube that is energy-efficient and provides a bright and uniform light output. CFL tubing, spotlights, and halogen lights are not typically used for these specific lighting purposes.Rate this question:
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- 45.
A form of electronic display device for displaying decimal numerals that is an alternative to the more complex dot-matrix displays. It is widely used in digital clocks, electronic meters, and other electronic devices for displaying numerical information. See photo provided.
- A.
7 digit display
- B.
Seven-segment display
- C.
7 dot matrix display
- D.
Digital numeric display
Correct Answer
B. Seven-segment displayExplanation
A seven-segment display is a type of electronic display device that is commonly used to display decimal numerals. It consists of seven segments, each of which can be individually turned on or off to form different numbers or characters. This type of display is simpler and less complex than dot-matrix displays, making it a popular choice for digital clocks, electronic meters, and other devices that require numerical information to be displayed.Rate this question:
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- 46.
What is the base of lighting use for the numeric display as shown in the photo?
- A.
Led
- B.
Dot matrix
- C.
Lcd
- D.
Hexadecimal light
Correct Answer
A. LedExplanation
The correct answer is LED. LED stands for Light Emitting Diode, which is a type of lighting technology commonly used for numeric displays. LEDs are energy-efficient, long-lasting, and can produce bright and vibrant colors, making them ideal for applications such as digital displays. They are often used in electronic devices, signage, and various lighting fixtures.Rate this question:
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- 47.
The most common lighting use for nowadays signage and facade lighting effect?
- A.
Led
- B.
Fluorescent tubing
- C.
T5
- D.
CFL
Correct Answer
A. LedExplanation
LED lights are the most common lighting use for signage and facade lighting effects nowadays. LED lights are preferred due to their energy efficiency, long lifespan, and versatility in creating different lighting effects. LED lights also offer a wide range of colors and can be easily controlled and programmed for dynamic lighting displays. Additionally, LED lights are durable and can withstand outdoor conditions, making them suitable for signage and facade lighting applications.Rate this question:
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- 48.
What type of lighting that emphasize a curve wall?
- A.
Spot light
- B.
Track lighting
- C.
Drop lighting
- D.
Pin light
Correct Answer
D. Pin lightExplanation
Pin lights are small, focused lights that can be used to highlight specific areas or objects. They are often used to emphasize curves or architectural features on walls, as their narrow beam of light can be directed precisely. Unlike spot lights or track lighting, which provide a broader illumination, pin lights are ideal for creating a dramatic effect and drawing attention to a specific area. Drop lighting, on the other hand, typically refers to pendant lights that hang down from the ceiling and are not specifically designed to emphasize curves on a wall.Rate this question:
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- 49.
Why oil painting is more difficult tab acrylic lighting when considering lighting to use?
- A.
Lighting can melt oil easily
- B.
Glare
- C.
Reflections
- D.
Fades color for intense light
Correct Answer
B. GlareExplanation
Oil painting is more difficult than acrylic painting when considering lighting to use because glare can be a major issue with oil paintings. The reflective nature of oil paint can cause strong reflections and glare, which can make it challenging to properly view and appreciate the artwork. This can make it difficult for artists to accurately assess their work and make necessary adjustments. Acrylic paint, on the other hand, does not have the same reflective properties and is less prone to glare, making it easier to work with in different lighting conditions.Rate this question:
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- 50.
What type of lighting is shown in the photo?
- A.
Valance lighting
- B.
Uplighting
- C.
Downlighting
- D.
Cove lighting
Correct Answer
A. Valance lightingExplanation
Valance lighting refers to a type of lighting that is installed above a valance or a horizontal decorative element. It is commonly used to provide indirect lighting and create a soft, ambient glow in a room. In the given photo, if the lighting is positioned above a valance, it would be classified as valance lighting.Rate this question:
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.jpg "Identify the lighting design shown?")
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