Science General ยท Chemistry
Materials and Their Applications
2,794 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 primary mirror material used in the Gran Telescopio Canarias?
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Glass
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Silver
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Gold
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Aluminum
D
Correct answer
Explanation
The Gran Telescopio Canarias' primary mirror is made of lightweight aluminum, allowing for a large aperture and precise focusing.
What is the primary mirror material used in the Hubble Space Telescope?
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Glass
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Silver
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Gold
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Beryllium
A
Correct answer
Explanation
The Hubble Space Telescope's primary mirror is made of glass, allowing for precise focusing and high-resolution images.
What is the primary material used to make a javelin?
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Wood
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Metal
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Carbon fiber
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Plastic
B
Correct answer
Explanation
Javelins are primarily made of metal, typically steel or aluminum.
What is the primary material used to make a shot put?
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Metal
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Rubber
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Plastic
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Wood
A
Correct answer
Explanation
Shot puts are primarily made of metal, typically iron or steel.
What is the primary material used to make a hammer in track and field?
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Metal
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Rubber
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Plastic
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Wood
A
Correct answer
Explanation
Hammers are primarily made of metal, typically iron or steel.
Which of the following is NOT a common type of timber floor system?
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Solid Timber Floor
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Glulam Floor
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Laminated Veneer Lumber (LVL) Floor
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Concrete Floor
D
Correct answer
Explanation
Concrete floors are not a type of timber floor system as they are made of concrete, not wood.
What is the most common material used for rainwater storage tanks?
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Concrete
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Plastic
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Metal
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Wood
B
Correct answer
Explanation
Plastic is the most common material used for rainwater storage tanks due to its low cost, durability, and ease of installation.
Which of the following materials is known for its high strength-to-weight ratio?
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Steel
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Aluminum
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Titanium
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Carbon fiber
D
Correct answer
Explanation
Carbon fiber is a lightweight material with a high strength-to-weight ratio, making it suitable for applications in aerospace and automotive industries.
Which of the following materials is known for its high thermal conductivity?
C
Correct answer
Explanation
Copper is a good conductor of heat, making it suitable for applications in heat exchangers and electrical wiring.
What is the most commonly used material for reinforced concrete structures?
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Concrete
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Steel
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Wood
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Masonry
A
Correct answer
Explanation
Concrete is the most commonly used material for reinforced concrete structures because it is strong, durable, and relatively inexpensive. Steel is also used in reinforced concrete structures, but it is typically used as reinforcement to provide additional strength and ductility.
What is the most common type of foundation used for buildings?
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Spread footing
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Pile foundation
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Mat foundation
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Raft foundation
A
Correct answer
Explanation
Spread footings are the most common type of foundation used for buildings because they are relatively inexpensive and easy to construct. Spread footings are typically used for buildings with light to moderate loads.
Which of the following is not a common material used in the construction of seawalls and other hard structures?
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Concrete
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Steel
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Wood
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Sandbags
D
Correct answer
Explanation
Sandbags are not typically used in the construction of permanent seawalls and other hard structures due to their temporary nature and susceptibility to damage from waves and storms.
What is the most common type of damage to sculptures?
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Cracking
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Chipping
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Erosion
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All of the above
D
Correct answer
Explanation
Cracking, chipping, and erosion are all common types of damage to sculptures, caused by a variety of factors such as age, weather, and improper handling.
What is the traditional material used to construct kettuvallams?
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Fiberglass
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Metal
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Wood
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Plastic
C
Correct answer
Explanation
Kettuvallams are typically made from wood, primarily jackwood and coconut wood, which are known for their durability and resistance to water damage.
What material is commonly used in 3D printing for aerospace applications?
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Titanium alloys
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Carbon fiber composites
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Aluminum alloys
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Stainless steel
A
Correct answer
Explanation
Titanium alloys are widely used in aerospace 3D printing due to their high strength-to-weight ratio, resistance to corrosion, and ability to withstand extreme temperatures.