NEW
Font size
WorksheetsTLA 3.1 Material Science
Total questions: 10
Worksheet time: 85secs
The state of having exactly the same number of positive and negative electrical charges is known as
electrobalance
electroneutraility
electrically stable
stable state
What is another term for tempering?
recyrystallization
annealing
spheroidizing
drawing or toughening
What are considered as the building blocks for engineering materials?
atoms
elements
matters
compounds
The engineering materials known as plastics are more correctly called
polyvinyl chloride
polymers
polyethylene
mers
What physical property of a material that refers to the point at which a material liquefies on heating or solidifies on cooling?
melting point
curie point
refractive index
specific heat
Which of the following elements has the highest thermal conductivity?
Zinc
Copper
Gold
Aluminum
Which of the following has the lowest electrical conductivity?
quartz
graphite
glass
ceramics
Which of the following is not a characteristic of ionic compounds?
they have high melting point
they are normally brittle crystalline solids
they have low boiling point
they are poor conductor of electricity when in the solid phase
Which of the following materials has the highest specific heat?
copper
aluminum
iron
lead
What mechanical property of a material refers to the resistance to plastic deformation?
rigidity
plasticity
ductility
hardness
