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Materials
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Textile
Which type of textiles prioritize functional properties over aesthetics and comfort?
Consumer textiles
Technical textiles
Industrial textiles
Medical textiles
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Why?
Textile
What is the term used to describe fiber-based materials, including fibers, yarns, filaments, and threads?
Fabric
Cloth
Textile
Material
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Plumbing
What is the most widely used pipe material for fire sprinklers and natural gas?
Copper
Iron
Steel
Plastic
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Plumbing
What was the favored material for water pipes for many centuries?
Copper
Iron
Steel
Lead
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Why?
Plumbing
What is the most widely used pipe material for fire sprinklers and natural gas?
Copper
Iron
Steel
Plastic
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Why?
Plumbing
What was the favoured material for water pipes for many centuries?
Copper
Iron
Steel
Lead
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Why?
Diamond
What is the most common shape of diamonds?
Cuboidal
Dodecahedra
Macles
Octahedra
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Diamond
What is the hardest known natural material on both the Vickers scale and the Mohs scale?
Quartz
Topaz
Diamond
Corundum
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Why?
Diamond
What is the most common crystal structure of diamond?
Hexagonal diamond
Lonsdaleite
Diamond cubic
BCC
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Why?
Rust
What is the technique used to inhibit corrosion on buried or immersed structures by supplying an electrical charge that suppresses the electrochemical reaction?
Galvanization
Bluing
Cathodic protection
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