Science General · 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
What is the term for a thin layer of wood or other material that is applied to a surface as a decorative or protective coating?
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Veneer
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Laminate
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Melamine
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Formica
A
Correct answer
Explanation
Veneer is a thin layer of wood that is glued to a substrate, typically a less expensive or less attractive wood, to improve its appearance or durability.
Which of the following is not a common type of bead used in jewelry making?
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Glass beads
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Metal beads
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Wooden beads
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Plastic beads
C
Correct answer
Explanation
Wooden beads are not as commonly used in jewelry making as glass, metal, and plastic beads.
What is the primary material used in making Bidriware?
Correct answer
Explanation
Bidriware is a metal handicraft that originated in Bidar, Karnataka. It is made from an alloy of zinc and copper, which is then inlaid with silver or gold.
What is the primary material used to make the 'lathi' in Mardani Khel?
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Wood
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Metal
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Bamboo
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None of the Above
A
Correct answer
Explanation
The 'lathi', or staff, used in Mardani Khel is typically made of wood. Wood is a strong and durable material that is well-suited for the demands of the martial art.
What is the primary material used in the construction of pipelines?
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Concrete
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Steel
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Plastic
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Copper
B
Correct answer
Explanation
Steel is the primary material used in the construction of pipelines due to its strength, durability, and resistance to corrosion.
What are the different types of food packaging materials?
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Metal
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Glass
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Plastic
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Paper
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All of the above
E
Correct answer
Explanation
Food packaging materials can be made from a variety of materials, including metal, glass, plastic, and paper.
What is the material used to construct the Charminar?
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Granite
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Marble
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Sandstone
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Limestone
A
Correct answer
Explanation
The Charminar is constructed using granite.
What is the primary binder used in oil paints?
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Water
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Acrylic resin
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Oil
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Gum arabic
C
Correct answer
Explanation
Oil paints are made from pigments suspended in oil, typically linseed oil. This gives them a thick, creamy consistency and allows them to be blended and layered easily.
What is the primary binder used in tempera paint?
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Oil
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Acrylic resin
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Gum arabic
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Egg yolk
D
Correct answer
Explanation
Tempera paint is made from pigments suspended in egg yolk. It was commonly used in medieval and Renaissance art and is known for its durability and resistance to fading.
What is the primary binder used in fresco paint?
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Oil
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Acrylic resin
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Gum arabic
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Limewater
D
Correct answer
Explanation
Fresco paint is made from pigments suspended in limewater. It is applied to wet plaster and reacts with the lime to form a durable bond. Fresco is a traditional technique used in mural painting.
What is the primary crystalline phase found in traditional ceramics?
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Spinel
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Perovskite
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Corundum
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Mullite
C
Correct answer
Explanation
Corundum (α-Al2O3) is the primary crystalline phase in traditional ceramics, known for its high hardness and chemical stability.
Which type of ceramic is known for its piezoelectric properties, enabling it to generate an electrical charge when subjected to mechanical stress?
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Alumina
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Zirconia
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Barium Titanate
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Silicon Carbide
C
Correct answer
Explanation
Barium Titanate (BaTiO3) is a piezoelectric ceramic that exhibits the ability to generate an electrical charge when subjected to mechanical stress, making it useful in sensors and actuators.
Which type of ceramic is commonly used as a substrate material for electronic devices due to its low thermal expansion coefficient?
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Alumina
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Zirconia
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Silicon Carbide
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Porcelain
A
Correct answer
Explanation
Alumina (Al2O3) is widely used as a substrate material in electronic devices due to its low thermal expansion coefficient, ensuring minimal dimensional changes with temperature variations.
Which type of ceramic is known for its high wear resistance and is commonly used in cutting tools and abrasives?
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Alumina
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Zirconia
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Silicon Carbide
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Porcelain
C
Correct answer
Explanation
Silicon Carbide (SiC) is a ceramic known for its exceptional wear resistance and hardness, making it suitable for use in cutting tools, abrasives, and high-temperature applications.
Which type of ceramic is commonly used in high-temperature applications, such as rocket nozzles and heat shields, due to its exceptional thermal shock resistance?
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Alumina
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Zirconia
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Silicon Carbide
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Porcelain
B
Correct answer
Explanation
Zirconia (ZrO2) is renowned for its high thermal shock resistance and is commonly used in high-temperature applications, such as rocket nozzles and heat shields, where it can withstand extreme temperature fluctuations.