Materials - Metal - JSS1 Basic technology Past Questions and Answers - page 1
1
Why is understanding the properties and characteristics of metals important?
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A
To appreciate their colour
B
To identify different metals
C
To select the appropriate metal
D
To learn about their historic significance
2
What are metals valued for in various industries?
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A
Their opacity and transparency
B
Their toxicity and chemical composition
C
Their flexibility and their ability to bend
D
Their strength, conductivity and malleability
3
What is one common property of metals?
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A
Weak conductivity
B
High tensile strength
C
Low strength
D
Brittleness
4
What makes metals suitable for electrical wiring and heating systems?
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A
Their transparency
B
Their low tensile strength
C
Their brittleness
D
Their conductivity
5
What is a key characteristic of metals in terms of shaping and forming?
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A
Rigidity
B
Flexibility
C
Opacity
D
Malleability
6
Where are metals commonly used in construction?
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A
In glass windows
B
In plastic bottles
C
In roofing structures
D
In wooden furniture
7
What type of metals are commonly used in construction due to their strength and durability?
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A
Gold and silver
B
Steel, aluminium and iron
C
Copper and brass
D
Platinum and palladium
8
What role do metals play in manufacturing?
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A
They are used for making paper
B
They are used in machinery, tools and appliances
C
They are used for creating plastic bottles
D
They are primarily used for artistic purposes
9
Which property of metals makes them suitable for structural applications in construction?
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A
Their low density
B
Their low tensile strength
C
Their malleability
D
Their high tensile strength
10
What distinguishes metals from other materials?
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A
Their transparency
B
Their low tensile strength
C
Their conductivity and malleability
D
Their brittleness
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