WorksheetsMetals
Total questions: 10
Worksheet time: 3mins
Which metal has low melting point at 660 C?
Iron
Titanium
Aluminum
Magnesium
_ is the basic element of steel.
(a)
Metal is a _ material because of its regular structure.
(a)
This is an _ material since the atoms are arranged randomly.
(a)
What is the atomic packing factor for FCC crystal stcucture?
64
68
74
78
What does low atomic packing factor mean?
Low density, more spaces between atoms
Low density, less spaces between atoms
High density, more spaces between atoms
High density, less spaces between atoms
State one type of defects in lattices.
'entire block of atom is shifted out of alignment' Which of the following term refers to this description?
edge dislocation
screw dislocation
interstitial defect
substitutional defect
Breaking and re-forming of atomic bonds is the underlying mechanism of _ deformations.
(a)
Which of the following deformations is reversible?
plastic deformation
elastic deformation
both plastic and elastic deformations
none
