Wall Paint & Colours

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  • 1/50 Questions
    PAINT PROBLEMS: Coating System Defects A powdery deposit being formed on a dry paint film surface. The powder is unbound pigment. This is caused by painting over surfaces that haven’t been sealed sufficiently, or the paint is deficient in binder, caused by over thinning. - ProProfs

    PAINT PROBLEMS: Coating System Defects A powdery deposit being formed on a dry paint film surface. The powder is unbound pigment. This is caused by painting over surfaces that haven’t been sealed sufficiently, or the paint is deficient in binder, caused by over thinning.

    • Efflorescence
    • Chalking
    • Cissing
    • Alligatoring
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About This Quiz

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 alloted. The main objective of the quiz is to let the examinees have the feel of answering questions while time pressured.

Wall Paint & Colours - Quiz

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  • 2. 

    Best application for pre-painted G.I. log span?

    • Commercial

    • Industrial/ warehouse

    • Armory

    • Open planning office space

    Correct Answer
    A. Industrial/ warehouse
    Explanation
    The best application for pre-painted G.I. log span is in an industrial/warehouse setting. This is because pre-painted G.I. log span is a durable and strong material that can withstand heavy loads and harsh conditions often found in industrial and warehouse environments. It provides structural support and can be used for roofing or flooring purposes in these settings. Additionally, the pre-painted coating adds an extra layer of protection against corrosion and wear, making it ideal for industrial/warehouse applications.

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  • 3. 

    Composition of paint that provides the hiding power

    • Pigment

    • Automotive

    • Vehicle

    • Solvent

    Correct Answer
    A. Pigment
    Explanation
    Pigment is the component in paint that provides the hiding power. Pigments are finely ground solid particles that give paint its color and opacity. They are responsible for blocking out the underlying surface and providing coverage. Without pigments, paint would be transparent and unable to hide imperfections or previous layers of paint. Pigments can be organic or inorganic and are usually mixed with a binder to create a paint film.

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  • 4. 

    Best application for aluminum composite panels?

    • Banks

    • Office building

    • Residential

    • Industrial

    Correct Answer
    A. Office building
    Explanation
    Aluminum composite panels are commonly used in office buildings due to their lightweight, durability, and aesthetic appeal. These panels provide a sleek and modern look to the building's exterior, enhancing its overall appearance. Additionally, aluminum composite panels offer excellent insulation properties, reducing energy consumption and costs. They are also fire-resistant, making them a safe choice for office buildings. Furthermore, these panels are easy to install and maintain, making them a practical option for commercial spaces. Therefore, office buildings are the best application for aluminum composite panels.

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  • 5. 

    Why is glossy paint not use as a primer?

    • It will cover more paint to use

    • It will cover less paint to use

    • Improper adhesion property

    • It will become flat

    Correct Answer
    A. Improper adhesion property
    Explanation
    Glossy paint is not used as a primer because it has improper adhesion properties. Primers are specifically designed to create a strong bond between the surface and the paint, ensuring better durability and longevity of the paint job. Glossy paint, on the other hand, has a smooth and shiny finish that does not provide the necessary texture for proper adhesion. As a result, using glossy paint as a primer would likely lead to peeling, flaking, and a lack of adhesion between the surface and the subsequent layers of paint.

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  • 6. 

    A very common paint problem cause either by moisture or poor adhesion?

    • Peeling

    • Blistering

    • Wrinkling

    • Chalking

    Correct Answer
    A. Peeling
    Explanation
    Peeling is a very common paint problem that can be caused by either moisture or poor adhesion. When moisture gets trapped beneath the paint surface, it can cause the paint to lose its bond with the underlying surface and start to peel. On the other hand, poor adhesion occurs when the paint fails to properly stick to the surface due to factors like inadequate surface preparation or incompatible paint layers. In both cases, the result is peeling of the paint, which is why it is the correct answer.

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  • 7. 

    Why do we put epoxy primer before painting?

    • Adhesion

    • Uneven surface filler

    • Dries earlier

    • Dust proofing

    Correct Answer
    A. Adhesion
    Explanation
    Epoxy primer is applied before painting to enhance adhesion. It creates a strong bond between the surface being painted and the paint itself, ensuring that the paint adheres properly and does not peel or chip off easily. This is especially important when painting surfaces that are prone to moisture, chemicals, or other harsh conditions. Epoxy primer acts as a barrier, improving the longevity and durability of the paint job.

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  • 8. 

    Paint conditions where there are formation of white powders on the surface?

    • Efflorescence

    • Peeling

    • Chalking

    • Blistering

    Correct Answer
    A. Chalking
    Explanation
    Chalking refers to the formation of white powders on the surface of paint. This occurs when the binder in the paint starts to degrade due to exposure to weather conditions, such as sunlight and moisture. As a result, the paint loses its adhesion and breaks down into a powdery residue. This can be commonly seen on exterior surfaces that have been painted, such as walls or fences. Efflorescence, on the other hand, refers to the formation of white powders caused by the migration of salts through porous materials, while peeling and blistering are related to the detachment of paint from the surface.

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  • 9. 
    PAINT PROBLEMS: Coating System Defect Splits that appear in the film of the surface coating. It is caused by the use of excessive dryers or re-coating before the under coat is dry. - ProProfs

    PAINT PROBLEMS: Coating System Defect Splits that appear in the film of the surface coating. It is caused by the use of excessive dryers or re-coating before the under coat is dry.

    • Cissing

    • Cratering

    • Blistering

    • Alligatoring

    Correct Answer
    A. Alligatoring
    Explanation
    Alligatoring refers to a coating system defect where splits appear in the film of the surface coating. This issue is typically caused by the use of excessive dryers or re-coating before the undercoat is dry. It is important to allow the undercoat to dry properly before applying additional layers to prevent this problem.

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  • 10. 

    Xyladecor is a product of?

    • Dutchboy

    • Davies

    • Boysen

    • Dulux

    Correct Answer
    A. Boysen
    Explanation
    Xyladecor is a product of Boysen.

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  • 11. 

    Most common cause of paint defects?

    • Product expires

    • Surface preparation

    • Weather condition when applied

    • Mixture of thinner and base paint

    Correct Answer
    A. Surface preparation
    Explanation
    Surface preparation is the most common cause of paint defects. Properly preparing the surface before applying paint is crucial for achieving a smooth and long-lasting finish. If the surface is not cleaned, sanded, or primed correctly, the paint may not adhere properly, leading to issues such as peeling, cracking, or bubbling. Good surface preparation ensures that the paint can bond effectively with the surface, resulting in a flawless and durable paint job.

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  • 12. 
    PAINT PROBLEMS: Coating System Defects Bubbles in the paint film, or resins from knots in the timber being attracted to heat, or paint being used on surfaces which have extreme heat. - ProProfs

    PAINT PROBLEMS: Coating System Defects Bubbles in the paint film, or resins from knots in the timber being attracted to heat, or paint being used on surfaces which have extreme heat.

    • Circling

    • Cratering

    • Blistering

    • Alligatoring

    Correct Answer
    A. Blistering
    Explanation
    Blistering refers to the formation of bubbles in the paint film. This can occur when resins from knots in the timber are attracted to heat or when paint is used on surfaces with extreme heat. It is different from circling, cratering, and alligatoring, which are other coating system defects.

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  • 13. 

    What paint finish is not used for ceiling?

    • Textured finish

    • Roller finish

    • Ducco finish

    • None

    Correct Answer
    A. Ducco finish
    Explanation
    Ducco finish is not used for ceilings because it is a high-gloss finish that is typically used for furniture or cabinets. Ceilings are usually finished with either a textured finish or a roller finish, depending on the desired look and texture. Therefore, ducco finish is not a suitable option for ceilings.

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  • 14. 

    Which color has the longest wavelength. Strong and powerful. Appearing to be nearer than it is and therefore it grabs our attention first. It stimulates us and raises the pulse rate, giving the impression that time is passing faster than it is.

    • Yellow

    • Orange

    • Red

    • Green

    Correct Answer
    A. Red
    Explanation
    The color red has the longest wavelength among the given options. Red is known to be a strong and powerful color that grabs our attention quickly due to its appearance of being nearer than it actually is. It stimulates us and can even raise our pulse rate, creating the impression that time is passing faster.

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  • 15. 

    Why should rags not be left beside a can of paints at job sites especially during night time when it is most likely to be un attended?

    • It will absorb air moisture and dirt to affect the paint adhesion quality

    • Rags can be mistaken as a paint brush and use it for wall painting

    • It can be mistaken as a trash can and easily be thrown anywhere

    • It might ignite fire

    Correct Answer
    A. It might ignite fire
    Explanation
    Leaving rags beside a can of paints at job sites, especially during the night when they are unattended, can be dangerous because they have the potential to ignite a fire. Rags can easily catch fire when they are soaked in flammable materials like paint thinner or oil-based paints. The heat generated through the oxidation process can cause the rags to spontaneously combust, leading to a fire hazard. Therefore, it is crucial to properly dispose of or store rags in a safe manner to prevent any accidents or fires from occurring.

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  • 16. 

    "If your clients want to make his room brighter"? Basically, which element in the room should be in brighter in shade?

    • Ceiling

    • Walls

    • Flooring

    • Furniture

    Correct Answer
    A. Walls
    Explanation
    To make a room brighter, the walls should be in a brighter shade. The color of the walls has a significant impact on the overall brightness and ambiance of a room. By choosing a lighter and brighter color for the walls, more light will be reflected, making the room appear brighter and more spacious. This can create a more uplifting and energetic atmosphere in the room, which is often desired by clients looking to brighten up their space.

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  • 17. 

    Best finish for high quality "Narra" door?

    • Wood stain

    • Varnish

    • Lacquer

    • Epoxy paint

    Correct Answer
    A. Varnish
    Explanation
    Varnish is the best finish for a high-quality "Narra" door because it enhances the natural beauty of the wood while providing protection against moisture, UV rays, and wear and tear. Varnish forms a durable and glossy coating that highlights the grain and color of the wood, giving it a smooth and polished appearance. It also adds a layer of protection, making the door more resistant to scratches, stains, and fading. Overall, varnish is a popular choice for finishing wooden doors due to its aesthetic appeal and long-lasting durability.

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  • 18. 

    Which paint can hold up longer to UV and chemical exposure and more durable?

    • Lacquer

    • Enamel

    Correct Answer
    A. Enamel
    Explanation
    Enamel paint is more durable and can hold up longer to UV and chemical exposure compared to lacquer paint. Enamel paint is known for its hard and glossy finish, making it resistant to fading and discoloration caused by UV rays. It also has better resistance to chemicals, making it suitable for areas that may be exposed to harsh substances. On the other hand, lacquer paint is known for its quick-drying and high-gloss finish, but it is not as durable or resistant to UV and chemical exposure as enamel paint.

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  • 19. 

    Area to avoid flat paint?

    • Rough surface

    • Crowded and busy kitchen

    • Wood surface

    • Ceiling

    Correct Answer
    A. Crowded and busy kitchen
    Explanation
    Flat paint is not suitable for a crowded and busy kitchen because it is not as durable or washable as other types of paint finishes. In a kitchen, there is a higher chance of stains, splatters, and grease buildup, which can be difficult to clean off of flat paint. A more durable and washable paint finish, such as semi-gloss or satin, would be a better choice for a kitchen environment as it can withstand frequent cleaning and is more resistant to stains and moisture.

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  • 20. 

    When surface is uneven and cannot be totally  flattened, what is the best paint to use to hide the uneven surface?

    • Semi-gloss

    • Flat

    • Eggshell

    • High-gloss paint

    Correct Answer
    A. Flat
    Explanation
    Flat paint is the best option to use when the surface is uneven and cannot be completely flattened. Flat paint has a matte finish, which helps to hide imperfections on the surface. Unlike semi-gloss, eggshell, or high-gloss paint, flat paint does not reflect light, making it less noticeable when applied on an uneven surface. It provides a smooth and uniform appearance, effectively concealing any bumps or unevenness on the surface.

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  • 21. 
    PAINT PROBLEMS: Surface Defects A white fluffy surface deposit that is caused by salts in the plaster being drawn to the surface. - ProProfs

    PAINT PROBLEMS: Surface Defects A white fluffy surface deposit that is caused by salts in the plaster being drawn to the surface.

    • Efflorescence

    • Chalking

    • Cissing

    • Alligatoring

    Correct Answer
    A. Efflorescence
    Explanation
    Efflorescence is a white fluffy surface deposit that occurs when salts in the plaster are drawn to the surface. This can happen due to moisture or water penetration, causing the salts to dissolve and migrate to the surface as the water evaporates. It is a common problem in masonry and can be visually unappealing. Chalking, cissing, and alligatoring are different surface defects that are not related to the formation of efflorescence.

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  • 22. 

    Which is NOT the advantage of oil base paint?

    • Adhesion and penetration reliability

    • Produces a good finish with no brush marks

    • A high level of gloss can be reached

    • Slow drying time

    Correct Answer
    A. Slow drying time
    Explanation
    The advantage of oil-based paint is that it has a slow drying time. This allows for better adhesion and penetration reliability, as well as the ability to produce a good finish with no brush marks. Additionally, oil-based paint can achieve a high level of gloss.

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  • 23. 

    What is a "white spirit"?

    • White ghost

    • Extender pigments

    • Solvent or thinners

    • White powder pigment

    Correct Answer
    A. Solvent or thinners
    Explanation
    White spirit is a type of solvent or thinner that is commonly used in painting and decorating. It is a clear liquid that is used to dilute and clean up oil-based paints, varnishes, and other coatings. White spirit helps to thin the consistency of these products, making them easier to apply and giving them a smoother finish. It also acts as a cleaning agent, helping to remove paint and varnish from brushes and other tools.

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  • 24. 

    Which material is NOT a finishing?

    • Acid-dipped

    • Stainless steel

    • Polished brass

    • Tooled finish

    Correct Answer
    A. Acid-dipped
    Explanation
    Acid-dipped is not a finishing material because it refers to a process rather than a material. Acid dipping is a method used to remove impurities or to create a specific texture on a material's surface. In contrast, stainless steel, polished brass, and tooled finish are all materials commonly used for finishing purposes.

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  • 25. 

    Paint conditions where there are formation crusty white salt on the surface?

    • Efflorescence

    • Peeling

    • Chalking

    • Efflorescence

    Correct Answer
    A. Efflorescence
    Explanation
    Efflorescence refers to the formation of a crusty white salt deposit on the surface of paint. This occurs when water-soluble salts within the substrate migrate to the surface and react with air, leaving behind a white residue. It is a common issue in areas with high humidity or moisture, such as basements or bathrooms. Peeling and chalking, on the other hand, refer to the deterioration of paint film and do not specifically indicate the presence of white salt deposits. Therefore, the correct answer for this question is efflorescence.

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  • 26. 

    A number of steel bars had been left in the rain and had rusted. What would you do with them?

    • Brush them with steel brush and use them since a little rust is good for adhesion

    • Pour oil on them to remove the rust

    • Apply rust inhibitor

    • Apply rust remover

    Correct Answer
    A. Brush them with steel brush and use them since a little rust is good for adhesion
    Explanation
    Brushing the steel bars with a steel brush and using them is the correct answer because a little rust can actually improve adhesion. Rust creates a rough surface that helps paint or other coatings adhere better to the steel. Therefore, instead of removing the rust completely, brushing it with a steel brush will remove loose rust and create a rough surface for better adhesion while still maintaining the beneficial effects of a little rust.

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  • 27. 

    Ideal roof color to minimize heat gain?

    • Beige

    • Red

    • Light brown

    • Blue

    Correct Answer
    A. Beige
    Explanation
    Beige is the ideal roof color to minimize heat gain because it has a higher reflectance value compared to the other options. Light-colored roofs, like beige, reflect more sunlight and absorb less heat, reducing the amount of heat transferred into the building. This helps to keep the interior cooler and reduces the need for excessive air conditioning, resulting in energy savings.

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  • 28. 

    What finish applied to wood to enhance its grain appearance?

    • Wood stain

    • Varnish

    • Latex

    • Shellac

    Correct Answer
    A. Wood stain
    Explanation
    Wood stain is applied to wood in order to enhance its grain appearance. It is a type of finish that penetrates the wood and adds color to it, while still allowing the natural grain patterns to show through. This helps to highlight and accentuate the beauty of the wood's grain, giving it a more visually appealing appearance. Varnish, latex, and shellac are also types of finishes that can be applied to wood, but they do not specifically enhance the grain appearance like wood stain does.

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  • 29. 

    A Transparent, hard, protective finish or film primarily used in wood finishing but also for other materials. Traditionally a combination of a drying oil, a resin, and a thinner or solvent.

    • White spirit

    • Shellac

    • Varnish

    • Wood stain coating

    Correct Answer
    A. Varnish
    Explanation
    Varnish is a transparent, hard, protective finish or film that is commonly used in wood finishing but can also be used on other materials. It is typically made by combining a drying oil, a resin, and a thinner or solvent. Varnish helps to enhance the appearance of the material it is applied to and provides a protective layer against damage and wear. It is often used to give wood a glossy or satin finish and can also be used to add color or enhance the natural color of the material.

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  • 30. 

    Paint conditions where there is a chemical reaction when paint is applied on hot surface?

    • Alligatoring

    • Peeling

    • Wrinkling

    • Bubbling

    Correct Answer
    A. Bubbling
    Explanation
    When paint is applied on a hot surface, the heat can cause the paint to dry too quickly, trapping solvents or air bubbles underneath the surface. This trapped air or solvent then expands due to the heat, leading to the formation of bubbles in the paint. This phenomenon is known as bubbling.

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  • 31. 

    Which is not a basic paint application system?

    • Thinning

    • Primer

    • Undercoating

    • Finishing

    Correct Answer
    A. Thinning
    Explanation
    Thinning is not a basic paint application system because it refers to the process of adding a solvent or thinner to paint in order to alter its consistency or viscosity. Thinning is not a standalone paint application system like primer, undercoating, or finishing, which are all essential steps in the painting process. Thinning is a technique used within these systems to achieve the desired paint consistency for application.

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  • 32. 

    Low maintenance stainless steel railing finish?

    • Mirror finish

    • Hairline finish

    • Satin finish

    • Perforated

    Correct Answer
    A. Hairline finish
    Explanation
    The correct answer is "hairline finish." A hairline finish is a low maintenance stainless steel railing finish. It refers to a smooth and brushed finish that creates a fine, linear texture on the surface, resembling the appearance of hairline scratches. This finish is popular for its ability to hide fingerprints, smudges, and minor scratches, making it easier to maintain and keep clean.

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  • 33. 

    What happens when enamel is applied to metals?

    • Paint will not adhere

    • Longer time to dry

    • Creates bubbling and accumulates air inside

    • It will peel off when exposed to sun

    Correct Answer
    A. Paint will not adhere
    Explanation
    When enamel is applied to metals, the paint will not adhere properly. Enamel is a type of paint that is specifically designed for use on metal surfaces. It forms a hard and glossy finish that is resistant to chipping and peeling. However, if the metal surface is not properly prepared or if there are any contaminants present, the enamel paint will not adhere effectively. This can result in the paint not drying properly and easily peeling off when exposed to the elements.

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  • 34. 

    A paint additives that provides flexibility in the coating. It prevents component separation.

    • Anti Skinning Agents

    • Thixotropic Agents

    • Plasticizer

    • Thinner

    Correct Answer
    A. Plasticizer
    Explanation
    Plasticizers are additives that are commonly used in paint to increase flexibility and prevent component separation. They are added to the paint formulation to improve its elasticity and reduce brittleness. By enhancing the flexibility of the coating, plasticizers help to prevent cracking and peeling, especially in situations where the paint is subjected to movement or expansion. Therefore, the given correct answer, "Plasticizer," aligns with the explanation provided.

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  • 35. 

    What paint can be poisonous when applied in enclosed space?

    • Lacquer

    • Latex

    • QDE

    • Acrylic latex

    Correct Answer
    A. Lacquer
    Explanation
    Lacquer can be poisonous when applied in an enclosed space because it contains toxic chemicals such as solvents and formaldehyde. These chemicals can release harmful fumes that can be inhaled, leading to respiratory problems and other health issues. It is important to use lacquer in a well-ventilated area or use proper protective equipment to avoid any potential harm.

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  • 36. 

    What is the common thinner solvent is use for alkyd paint?

    • Water

    • Paint thinner

    • Lacquer thinner

    • Linseed oil

    Correct Answer
    A. Lacquer thinner
    Explanation
    Lacquer thinner is the common thinner solvent used for alkyd paint. Alkyd paint is a type of oil-based paint that requires a solvent to thin it out and make it easier to apply. Lacquer thinner is a strong solvent that is effective in thinning alkyd paint and also helps in cleaning brushes and other painting tools. It evaporates quickly, leaving a smooth and even finish on the painted surface. Water, paint thinner, and linseed oil are not commonly used as thinners for alkyd paint.

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  • 37. 

    Which is NOT the advantage of water base paint (Latex)?

    • Adhesion and penetration reliability

    • Fast drying time

    • Ease of application

    • Non-offensive odor

    Correct Answer
    A. Adhesion and penetration reliability
    Explanation
    Water-based paint, also known as latex paint, offers several advantages. It has a fast drying time, making it convenient for quick projects. Additionally, it is easy to apply, providing a smooth and even finish. Water-based paint also has a non-offensive odor, making it more pleasant to work with compared to oil-based paints. However, the one disadvantage is adhesion and penetration reliability. This means that water-based paint may not adhere or penetrate surfaces as effectively as other types of paint, potentially leading to issues with durability and longevity.

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  • 38. 

    What paint is not commonly used for spraying?

    • Latex

    • QDE

    • Acrylic

    • Lacquer

    Correct Answer
    A. Latex
    Explanation
    Latex paint is not commonly used for spraying because it has a thicker consistency compared to other types of paint. Spraying latex paint can lead to clogging in the spray gun and result in an uneven application. It is more commonly applied with a brush or roller. Acrylic and lacquer paints, on the other hand, have a thinner consistency and are specifically formulated for spraying, making them more suitable for this method of application.

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  • 39. 

    Best application for xyladecor?

    • Rust converter

    • Concrete wall decorative paint

    • Rustproof coating for metal

    • Wood stain and preservative

    Correct Answer
    A. Wood stain and preservative
    Explanation
    The best application for Xyladecor is as a wood stain and preservative. Xyladecor is specifically designed to enhance the appearance of wood while also providing protection against elements such as moisture, UV rays, and insects. It penetrates deep into the wood, preventing rot and decay and extending the lifespan of the wood. By using Xyladecor, the wood can maintain its natural beauty while being protected from damage, making it the ideal choice for staining and preserving wooden surfaces.

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  • 40. 

    What is the color of the exterior cladding of Sydney Opera House?

    • Pink granite

    • White granite

    • Concrete finish but turns to white through sun exposure

    • White metal cladding

    Correct Answer
    A. Pink granite
    Explanation
    The exterior cladding of the Sydney Opera House is made of pink granite.

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  • 41. 

    What is a Paint used to protect galvanized sheet?

    • Red oxide

    • Red lead

    • Red pigment

    • Xyladecor

    Correct Answer
    A. Red lead
    Explanation
    Red lead is a type of paint that is commonly used to protect galvanized sheet. It is known for its excellent corrosion resistance properties and is often applied as a primer or topcoat on galvanized surfaces. Red lead paint forms a durable and protective layer that helps to prevent rust and other forms of deterioration on the galvanized sheet. It is particularly effective in outdoor or marine environments where the sheet is exposed to harsh weather conditions and saltwater.

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  • 42. 

    Which is not an ideal warm colors for walls?

    • Light green

    • Rose red

    • Vivid orange

    • Yellow

    Correct Answer
    A. Light green
    Explanation
    Light green is not an ideal warm color for walls because warm colors typically include shades of red, orange, and yellow. Light green is a cool color that is associated with nature and tranquility, rather than the warmth and energy that warm colors bring to a space. Warm colors are often used to create a cozy and inviting atmosphere, while light green may create a more calming and refreshing feel.

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  • 43. 

    Why does acrylic latex is the most flexible paint?

    • Can be mixed to any kind of thinner

    • Used in wood, concrete and steel

    • Interior and exterior surface and odorless

    • Fast drying

    Correct Answer
    A. Interior and exterior surface and odorless
    Explanation
    Acrylic latex paint is the most flexible because it can be used on a variety of surfaces such as wood, concrete, and steel. Additionally, it can be used for both interior and exterior applications. Furthermore, it is odorless, making it more convenient and comfortable to use.

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  • 44. 

    Estimate the galloon of paint base on the surface area given: A storage has an area of 100 sq. ft. , with a width dimension and wall height in 10 ft. All walls are in same height. Windows has 90 sq. ft opening but to be filled. Door has a standard  opening dimension. Calculate how many quarts of gallon needed for 2 coatings? note: 1 gallon = 300 sq. ft

    • 12

    • 5

    • 7

    • 10

    Correct Answer
    A. 10
    Explanation
    The total surface area of the walls can be calculated by multiplying the width dimension by the wall height, which is 10 ft in this case. So, the total surface area of the walls is 100 sq. ft. The windows have a total opening area of 90 sq. ft, but they need to be filled, so we can subtract this from the total surface area of the walls. The remaining surface area that needs to be painted is 100 sq. ft - 90 sq. ft = 10 sq. ft. Since 1 gallon of paint can cover 300 sq. ft, we divide the remaining surface area by 300 to find out how many gallons are needed. 10 sq. ft / 300 sq. ft = 0.033 gallons. Since we need 2 coatings, we multiply this by 2 to get the final answer of 0.066 gallons.

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  • 45. 

    Less or no colour, transparent, and has no added pigment?

    • Wood stain coating

    • Shellac

    • Varnish

    • White spirit

    Correct Answer
    A. Varnish
    Explanation
    Varnish is the correct answer because it is a clear, transparent coating that is used to protect and enhance the natural color and beauty of wood. Unlike wood stain coating, shellac, and white spirit, varnish does not add any pigment or color to the surface it is applied to. Instead, it provides a protective layer that highlights the natural grain and texture of the wood while maintaining its original color or lack thereof.

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  • 46. 

    What is the color of "Patina" coating?

    • Rustic bronze

    • Green

    • Silver

    • Dark sheen of brown

    Correct Answer
    A. Green
    Explanation
    Patina coating is commonly known for its green color. Over time, when certain metals such as copper, bronze, or brass are exposed to the elements, a chemical reaction occurs that forms a thin layer of oxidation on the surface. This layer, known as patina, often appears as a greenish color. Therefore, the correct answer for the color of "Patina" coating is green.

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  • 47. 

    Paint conditions caused by applying it to dirty or incompatible finish surface?

    • Peeling

    • Blistering

    • Wrinkling

    • Chalking

    Correct Answer
    A. Blistering
    Explanation
    Blistering occurs when paint is applied to a dirty or incompatible finish surface. The presence of dirt or incompatible substances on the surface prevents the paint from adhering properly, leading to the formation of blisters or bubbles. This can also happen if the surface is too hot or humid when the paint is applied. Blistering can result in a poor aesthetic appearance and can also lead to further paint failure if not addressed.

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  • 48. 

    Paint conditions that occurs when applying a coat of paint when the outside temperature is too low, when paint is applied heavily under the heat of the sun and doesn't have enough time for undercoats to dry properly?

    • Blistering

    • Peeling

    • Wrinkling

    • Alligatoring

    Correct Answer
    A. Wrinkling
    Explanation
    Wrinkling occurs when a coat of paint is applied under conditions of low outside temperature or when the paint is applied too heavily in direct sunlight, not allowing enough time for the undercoats to dry properly. This causes the paint to dry unevenly, resulting in wrinkled or crinkled appearance on the surface.

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  • 49. 

    What paint is ideal for doctor's office?

    • Enamel paint

    • Flat paint

    • Glossy paint

    • Epoxy paint

    Correct Answer
    A. Epoxy paint
    Explanation
    Epoxy paint is ideal for a doctor's office because it is highly durable and resistant to stains, chemicals, and abrasions. It creates a smooth and glossy finish that is easy to clean and maintain, which is important in a medical setting where cleanliness and hygiene are crucial. Epoxy paint also has antimicrobial properties, which helps to prevent the growth of bacteria and other harmful microorganisms on the painted surfaces. Overall, epoxy paint provides a long-lasting and sanitary solution for a doctor's office.

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Quiz Review Timeline (Updated): Jun 17, 2024 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Jun 17, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 01, 2012
    Quiz Created by
    Kubo
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