Introduction to Materials Science & Engineering
Quiz by FATIN NABILAH BINTI SHAHRIL NIZZAM
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- Q1
Allare attributes of metals, except:
A good conductor of heat
Strong, ductile and resistant to fracture
A good conductor of electricity
All metals are magnetic
45s - Q2
Which one of the following statements about the properties of material is true?
Polymers are inherently resistant to high temperatures and are commonly used in applications requiring thermal stability.
Metals typically have lower electrical conductivity compared to polymers due to their atomic structure.
Composites are often preferred over metals for applications requiring high specific strength and low density.
Ceramics are generally ductile materials, capable of undergoing significant plastic deformation before failure.
30s - Q3
Ceramic materials are utilised in a variety of applications due to their unique properties. Which of the following statements accurately describes a common characteristic of ceramics?
Ceramics typically have low melting points, making them unsuitable for high-temperature applications.
Ceramics are often chosen for their excellent resistance to corrosion and chemical attack compared to other materials.
The mechanical properties of ceramics are largely unaffected by temperature changes, making them ideal for thermal cycling applications.
Unlike metals and polymers, ceramics are poor insulators and conduct heat and electricity efficiently.
30s - Q4
Which of the following properties of polymers makes them particularly suitable for use in manufacturing lightweight and durable automobile parts?
High thermal expansion
High electrical conductivity
High melting point
Low density
30s - Q5
What is the primary characteristic of smart materials?
Responsiveness to external stimuli
Ability to self-assemble
Transparency
High thermal stability
30s - Q6
Which advanced material is primarily used in drug delivery systems for its ability to degrade harmlessly in the body after releasing the therapeutic agent?
Biodegradable polymer
Hydroxyapatite
Bioglass
Titanium alloy
30s - Q7
Explain the concept of dopant in semiconductor materials
Users enter free textType an Answer60s - Q8
In the context of energy consumption and environmental impact, why is there a need to focus on more efficient use of present resources in materials science and engineering?
To reduce operational costs and comply with environmental regulations
To avoid the development of new technologies
To ensure the unlimited availability of non-renewable resources
To increase the rate of resource depletion
30s - Q9
Which of the following strategies would most likely lead to an improvement in environmental quality in the context of materials science and engineering?
Increasing the use of coal-fired power plants
Expanding the extraction of rare earth metals
Enhancing recycling and reusing materials
Maximizing the production of single-use plastics
30s - Q10
Suggest two creative ways to deal with the challenge of high initial costs for adopting new energy sources in materials processing plants
I and II
II and IV
I and III
II and IV
30s
