
Material Selection Quiz Pg 22
Quiz
•
Instructional Technology
•
10th Grade
•
Practice Problem
•
Hard
Stephen Chandrasekr
Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the main considerations for selecting materials for electrical wiring?
Hardness, cost, toughness
Electrical conductivity, ductility, cost
Thermal insulation, toughness, cost
Strength, weight, cost
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is copper preferred over low-carbon steel for electrical wiring?
Copper is lighter
Copper is more resistant to corrosion
Copper has higher electrical conductivity and is more ductile
Copper is cheaper
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main reason for using steel scaffolding over structural timber?
Steel is cheaper
Steel is lighter
Steel is more resistant to corrosion
Steel offers higher strength and can be reused
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are ceramics and polymers preferred for handles of saucepans?
They are easier to form
They are cheaper
They are better conductors of heat
They are effective insulators and tougher
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main consideration for selecting cutting tools for machining centres?
Strength, weight, cost
Hardness, cost, toughness
Electrical conductivity, ductility, cost
Thermal insulation, toughness, cost
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are high-carbon steel tools preferred for less demanding applications?
They are cheaper
They are harder and offer better resistance to wear
They are lighter
They are more resistant to corrosion
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which material is not suitable for handles of saucepans due to changing shape when heated?
Tungsten carbide
Copper
Thermoplastics
Melamine
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