Materials and Their Engineering Properties
Authored by Norman Muzvuru
Design
12th Grade
Used 2+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a characteristic of stainless steel?
High electrical conductivity
Corrosion resistance
Low thermal stability
High acoustic absorption
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary difference between thermoplastic and thermosetting plastics?
Thermoplastics can be remoulded, thermosetting plastics cannot
Thermosetting plastics are magnetic, thermoplastics are not
Thermoplastics are more rigid than thermosetting plastics
Thermosetting plastics have higher electrical conductivity
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following materials is non-ferrous?
Cast iron
Low carbon steel
Aluminium
High carbon steel
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of annealing in heat treatment?
To increase hardness
To improve ductility
To decrease electrical conductivity
To increase magnetic properties
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of corrosion involves the loss of metal ions from the surface?
Pitting
Intergranular
Galvanic
Leaching
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which reinforcing material is known for its high strength-to-weight ratio?
Glass fibre
Carbon fibre
Aramid fibre
Copper
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main advantage of using composites in engineering applications?
High density
Low cost
High strength and low weight
High thermal conductivity
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