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Q.1
This type of material is a good conductor of electricity?
polymer
metal
ceramic
glass
Q.2
This type of material has a low melting point
ceramic
polymer
glass
metal
Q.3
Material science includes
searching for new materials.
modifying materials.
understanding properties of materials.
All choices
Q.4
White metal contains
63 to 67% nickel and 30% copper
88% copper and 10% tin and rest zinc
Alloy of tin, lead and cadmium
Silver and chromium
Q.5
Hardness of lower bainite (tempered martensite) is about
RC 65
RC 48
RC 57
RC 80
Q.6
When do temporary magnets lost their power?
When they get close to another magnet
When they are put underwater
When the magnetic source is removed
Q.7
Biomaterial is the example of _______material
basic
advanced
nanoengineered
wood
Q.8
Advanced material have ___ types
4
3
2
1
Q.9
Below is example of polymers, except
PVC
Polystyrene
Polyethylene
Stainless Steel
Q.10
Most ceramic materials have good insulation properties.
False
True
Q.11
Which type of material does not bond well with glue?
Plastic
Wood
Metal
Q.12
Which type of material allows you to create uniqueshapes?
Plastic
Wood
Metal
Q.13
Below are non elastic materials except
Wood
Rubber
Glass
Metal
Q.14
You need to build a prototype of a design and need to choose a material that is easy to machine. Which type of material should you choose?
Plastic
Wood
Metal
Q.15
Why is it important to consider the type of material used for a design?
Affects the cost of the design
Affects the criteria of the design
Both A & B
Affects the strength/durability of the design
Q.16
Titanium is what type of material?
Metal
Ceramic
Polymer
Composite
Q.17
Glass and clear plastic _____ light to pass through them.
allow
Not allow
Q.18
Quartz is what type of material?
Metal
Ceramic
Polymer
Composite
Q.19
Metals such as _____ are good conductors of heat.
Steel
Rubber
Aluminium
Iron
Q.20
Carbon Fiber is what type of material?
Metal
Ceramic
Polymer
Composite
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