WorksheetsMaterial Testing
Total questions: 16
Worksheet time: 5mins
You can wear earplugs when operating a lathe.
True
False
_________ of a material is the ability of the material to absorb energy up to the elastic limit
Plasticity
Toughness
Resilience
Strength
Modulus of elasticity can be expressed in what units?
in
lb
in/lb
psi
The (a) of a material is the amount of stress it can withstand.
Relative to the others, material c could best be described as...
Brittle
Resilient
Tough
Elastic
(a) is the amount of strain energy per unit of volume that a material can absorb before fracture
Force is applied until sample fails in what kind of testing?
Retain
Destructive
Nondestructive
Destroy
These standard test samples have a uniform cross section and ensure meaningful and reproducible results. They are called...
Dog Bone Sample
Dumbbell Sample
Necking Sample
Fracture Sample
The material in yellow could be considered a brittle material.
True
False
Amount of stretch per unit of length (ε)
Stress
Elasticity
Ductility
Strain
Typically, the initial response to a load, represented on a stress-strain curve, is...
Exponential
Indirect
Linear
Ductile
(a) deformation is unrecoverable elongation beyond the elastic limit.
A tungsten carbide ball is held with a 500lb force for 15 sec into the material.
Smith Hardness Test
Tensile Test
Brinell Hardness Test
Rockwell Test
In a compression test, a material strengthens by stretching
laterally and decreasing its
cross-sectional area.
True
False
Brittleness shows a lack of strength.
True
False
In a tensile test, what is it called when the weakest location at the peak continues to decrease in area?
(a)
