# Physics Test On Modulus Of Elasticity! Trivia Quiz

61 Questions | Attempts: 459  Settings  Elasticity, according to our physics class, is the ability of an item to revert to its size after it has been stretched. Hooke`s law forms the basis of measuring the elasticity of an item. Below is a Physics test on the modulus of elasticity and it is designed to help you test out just how much you know. All the best!

• 1.
Elastic modulus can only be found for materials with linear relationships.
• A.

True

• B.

False

• 2.
Can the elastic modulus be approximated for some materials using the 0.2% yield strength method?
• A.

True

• B.

False

• 3.
The elastic modulus relates stress to strain by Hooke's Law.
• A.

True

• B.

False

• 4.
Yielding is a type of failure.
• A.

True

• B.

False

• 5.
Yielding is found using the secant modulus.
• A.

True

• B.

False

• 6.
When there is both an upper and lower yield point for a material, the lower point should be used.
• A.

True

• B.

False

• 7.
No permanent deformation happens in the elastic region in tension.
• A.

True

• B.

False

• 8.
The elastic region always obeys Hooke's Law in tension.
• A.

True

• B.

False

• 9.
Materials that fail catastrophically in the elastic region (of a tensile test) are known as brittle.
• A.

True

• B.

False

• 10.
The elastic region has a uniform stress state in tension.
• A.

True

• B.

False

• 11.
There is permanent damage in the plastic region for tension
• A.

True

• B.

False

• 12.
For tension, Young's Modulus relates stress to strain in the plastic region.
• A.

True

• B.

False

• 13.
In tension there is a uniform stress state in the plastic region.
• A.

True

• B.

False

• 14.
In tension, brittle failures are characterized by a large change in cross sectional area.
• A.

True

• B.

False

• 15.
In tension, brittle failures are associated with cup-cone failures.
• A.

True

• B.

False

• 16.
In tension, brittle fractures fail 90 degrees in relation to the principle direction of stress.
• A.

True

• B.

False

• 17.
In tension, ductile fractures fail at 45 degrees to the principle direction of stress.
• A.

True

• B.

False

• 18.
Ductile fractures are associated with non-uniform deformation of the specimen.
• A.

True

• B.

False

• 19.
Ductile fractures in tension begin with triaxial states of stress.
• A.

True

• B.

False

• 20.
True stress is valid for the entire curve of a ductile material in tension.
• A.

True

• B.

False

• 21.
Aluminum has an upper and lower yield.
• A.

True

• B.

False

• 22.
Aluminum is a material with ductile behavior.
• A.

True

• B.

False

• 23.
Aluminum experiences an "orange peel" effect on deformed surfaces.
• A.

True

• B.

False

• 24.
Steel can have mill scale on the specimen.
• A.

True

• B.

False

• 25.
Steel behaves ductile in tension.
• A.

True

• B.

False

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