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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