Science General ยท Chemistry
Materials and Their Applications
2,856 Questions
Materials and Their Applications questions examine the properties and uses of raw materials like ceramics, cement, clay, and glass. This topic is a core component of general science in SSC, railways, and technical exams. Review these questions to master the practical applications of various compounds.
Ceramic insulatorsCement raw materialsSculpting and pottery clayGlassblowing materialsSustainable construction materials
Materials and Their Applications Questions
Which of the following is not a type of yoga block?
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Cork block
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Foam block
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Wooden block
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Plastic block
D
Correct answer
Explanation
Yoga blocks are typically made of cork, foam, or wood, while plastic blocks are not commonly used for yoga.
What is the purpose of adding anti-skinning agents to paint?
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Prevent the formation of a skin on the paint surface
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Accelerate the drying process
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Improve the adhesion of the paint to the substrate
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Increase the flexibility of the paint film
A
Correct answer
Explanation
Anti-skinning agents are additives that prevent the formation of a skin or film on the surface of the paint while it is still wet, ensuring that the paint remains workable for a longer period.
What is the primary function of anti-settling agents in paint?
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Prevent the pigments from settling at the bottom of the paint can
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Accelerate the drying process
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Improve the adhesion of the paint to the substrate
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Increase the flexibility of the paint film
A
Correct answer
Explanation
Anti-settling agents are additives that prevent the pigments from settling at the bottom of the paint can, ensuring that the paint remains uniform and well-dispersed, preventing color variations or streaking during application.
What is the purpose of adding thickeners to paint?
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Increase the viscosity of the paint
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Accelerate the drying process
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Improve the flow and leveling of the paint
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Increase the gloss of the paint finish
A
Correct answer
Explanation
Thickeners are additives that increase the viscosity of paint, making it thicker and more resistant to sagging or dripping. This is particularly useful for applications where a thicker coating is desired or for preventing runs and drips on vertical surfaces.
What is the purpose of adding UV absorbers to paint?
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Protect the paint film from the harmful effects of ultraviolet radiation
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Accelerate the drying process
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Improve the flow and leveling of the paint
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Increase the flexibility of the paint film
A
Correct answer
Explanation
UV absorbers are additives that protect the paint film from the harmful effects of ultraviolet radiation, preventing fading, chalking, and degradation of the paint over time.
What was the primary material used for the construction of Mauryan stupas?
B
Correct answer
Explanation
Mauryan stupas were primarily constructed using brick, with some examples also incorporating stone.
Which material is commonly used in the construction of aircraft due to its high strength-to-weight ratio?
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Steel
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Aluminum
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Concrete
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Wood
B
Correct answer
Explanation
Aluminum is widely used in aircraft construction due to its exceptional strength-to-weight ratio, making it lightweight and durable.
What is the primary material used for electrical wiring in buildings?
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Copper
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Aluminum
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Steel
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Plastic
A
Correct answer
Explanation
Copper is commonly used for electrical wiring due to its excellent electrical conductivity and resistance to corrosion.
What material is commonly utilized in the manufacturing of medical implants due to its biocompatibility and corrosion resistance?
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Titanium
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Steel
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Plastic
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Concrete
A
Correct answer
Explanation
Titanium is frequently used in medical implants due to its biocompatibility, corrosion resistance, and ability to withstand high stresses.
Which material is widely employed in the construction of bridges and skyscrapers due to its high strength and durability?
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Concrete
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Wood
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Plastic
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Glass
A
Correct answer
Explanation
Concrete is extensively used in construction due to its strength, durability, and ability to withstand various environmental conditions.
What material is commonly utilized in the production of computer chips due to its ability to conduct electricity?
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Silicon
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Glass
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Plastic
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Wood
A
Correct answer
Explanation
Silicon is extensively used in computer chips because of its semiconducting properties, allowing it to control the flow of electricity.
Which material is widely employed in the manufacturing of batteries due to its ability to store and release electrical energy?
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Lithium
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Aluminum
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Steel
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Plastic
A
Correct answer
Explanation
Lithium is commonly used in batteries due to its high energy density and ability to undergo reversible electrochemical reactions.
What material is frequently utilized in the construction of pipelines due to its flexibility and resistance to corrosion?
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Plastic
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Steel
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Concrete
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Glass
A
Correct answer
Explanation
Plastic is often used in pipelines due to its flexibility, corrosion resistance, and ability to withstand various environmental conditions.
Which material is commonly employed in the production of optical fibers due to its ability to transmit light over long distances?
A
Correct answer
Explanation
Glass is widely used in optical fibers due to its high transparency and ability to transmit light signals with minimal loss.
What material is frequently utilized in the manufacturing of cutting tools due to its exceptional hardness and wear resistance?
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Tungsten Carbide
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Steel
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Plastic
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Wood
A
Correct answer
Explanation
Tungsten Carbide is commonly used in cutting tools due to its extreme hardness, wear resistance, and ability to maintain sharpness even at high temperatures.