MMET 201 Exam 1 Questions With Complete Solutions
_______ and ________ are significantly higher in ceramics than
in metals Correct Answers hardness, thermal resistance
(stress strain curve) Increasing temperature _________ ductility
Correct Answers increases
(stress strain curve) Increasing temperature _________ modulus
of elasticity Correct Answers decreases
(stress strain curve) Increasing temperature _________ strain
hardening exponent (n) Correct Answers decreases
(stress strain curve) Increasing temperature _________
toughness Correct Answers increases
(stress strain curve) Increasing temperature _________ yield
stress Correct Answers decreases
3 applications of thermoplastics Correct Answers acrylics
polythydenes
PVC
4 applications of thermosets Correct Answers Expoxies
Phenolics
Polysters
Silicones
A significant portion of polymer processing is done by Correct
Answers contract manufacturers
, A significant portion of tool maker's profit is Correct Answers
the result of changes
Accuracy Correct Answers deviation from design dimension
Allotropism (polymorphism) Correct Answers the appearance
of more than one type of crystal of the same metal
Allowance Correct Answers the specified difference in
dimensions between mating parts
Amorphous plastics Correct Answers easy to melt
transparent
no specific melting temperature
Amplification is the ratio of Correct Answers instrument output
to the input dimension
Anisotropy Correct Answers properties of the material are
different in different directions bc of plastic deformation
Annealing Correct Answers heating the metal to a specific
temperature range for a period of time
Annealing 3 step process Correct Answers Recovery,
Recrystalization, Grain growth
Annealing tanks/ovens used to Correct Answers prevent warp
& deformation
_______ and ________ are significantly higher in ceramics than
in metals Correct Answers hardness, thermal resistance
(stress strain curve) Increasing temperature _________ ductility
Correct Answers increases
(stress strain curve) Increasing temperature _________ modulus
of elasticity Correct Answers decreases
(stress strain curve) Increasing temperature _________ strain
hardening exponent (n) Correct Answers decreases
(stress strain curve) Increasing temperature _________
toughness Correct Answers increases
(stress strain curve) Increasing temperature _________ yield
stress Correct Answers decreases
3 applications of thermoplastics Correct Answers acrylics
polythydenes
PVC
4 applications of thermosets Correct Answers Expoxies
Phenolics
Polysters
Silicones
A significant portion of polymer processing is done by Correct
Answers contract manufacturers
, A significant portion of tool maker's profit is Correct Answers
the result of changes
Accuracy Correct Answers deviation from design dimension
Allotropism (polymorphism) Correct Answers the appearance
of more than one type of crystal of the same metal
Allowance Correct Answers the specified difference in
dimensions between mating parts
Amorphous plastics Correct Answers easy to melt
transparent
no specific melting temperature
Amplification is the ratio of Correct Answers instrument output
to the input dimension
Anisotropy Correct Answers properties of the material are
different in different directions bc of plastic deformation
Annealing Correct Answers heating the metal to a specific
temperature range for a period of time
Annealing 3 step process Correct Answers Recovery,
Recrystalization, Grain growth
Annealing tanks/ovens used to Correct Answers prevent warp
& deformation
