CIVE 2700 QUIZ 2 (LEC 9 - 16) QUESTIONS &
ANSWERS.
Seasoning is the process of ... Answer - drying timber to equivalent moisture
content (EMC)
What are the three corrosion resistant types of steel according to CSA
classification? Answer - Types R, A, AT
A measure of energy absorbed during the fracture of a specimen of standard
dimensions and geometry when subjected to very rapid (impact) loading.
Charpy impact tests are used to measure this parameter, which is important in
assessing the ductile-to-brittle transition behaviour of a material Answer -
Impact Energy
The basic structural unit of a crystal structure. It is generally defined in terms of
atom (or ion) positions within a parallelepiped volume. Answer - Unit Cell
A linear crystalline defect associated with the lattice distortion produced in the
vicinity of the end of an half-plane of atoms within a crystal. Answer - Edge
dislocation
Loose knots in timber can... Answer - decrease strength and stiffness of lumber
The valence electrons are the electrons in the nearest shell to a nucleus of an
atom. True or False? Answer - False.
ANSWERS.
Seasoning is the process of ... Answer - drying timber to equivalent moisture
content (EMC)
What are the three corrosion resistant types of steel according to CSA
classification? Answer - Types R, A, AT
A measure of energy absorbed during the fracture of a specimen of standard
dimensions and geometry when subjected to very rapid (impact) loading.
Charpy impact tests are used to measure this parameter, which is important in
assessing the ductile-to-brittle transition behaviour of a material Answer -
Impact Energy
The basic structural unit of a crystal structure. It is generally defined in terms of
atom (or ion) positions within a parallelepiped volume. Answer - Unit Cell
A linear crystalline defect associated with the lattice distortion produced in the
vicinity of the end of an half-plane of atoms within a crystal. Answer - Edge
dislocation
Loose knots in timber can... Answer - decrease strength and stiffness of lumber
The valence electrons are the electrons in the nearest shell to a nucleus of an
atom. True or False? Answer - False.
