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WorksheetsTopic 5 Mechanical Properties of Polymer
Total questions: 20
Worksheet time: 4mins
It is defined as the ratio of the measured force to the instantaneous cross-sectional area at a given elongation.
Engineering stress
Stiffness
True Stress
Shear stress
It is measured by the area under stress-strain curve.
Toughness
Elasticity
Resilience
Hardness
Typically this class of polymer exhibits a yield point, followed by extensive elongation at almost constant stress.
Rubber-Like
Metal-Like
Glass-Like
Ceramic-Like
It is defined as ability to absorb energy without suffering permanent deformation.
Toughness
Strength
Elasticity
Resilience
It is defined as ability to carry stress without suffering a permanent deformation.
Resilience
Elasticity
Toughness
Stiffness
It is defined as the ratio of the measured force to the original cross-sectional area.
Engineering stress
Stiffness
True Stress
Shear stress
It is the ratio of the induced transverse strain to the axial strain.
Strain
Golden ratio
Young's Modulus
Poisson’s ratio
It is defined as ability to carry stress without changing dimension.
Stiffness
Hardness
Toughness
Elasticity
It is defined as ability to sustain dead load
Strength
Resilience
True Stress
Ruptures
This class of polymer exhibits very small strain at fracture
Rubber-Like
Metal-Like
Glass-Like
Ceramic-Like
It resists plastic deformation by preventing chain slippage.
Rubber-Like
Metal-Like
Glass-Like
Ceramic-Like
It is the rate of instantaneous increase in the instantaneous gauge length
True stress
True strain
Engineering strain
Engineering stress
It is defined as the amount of deformation in the direction of the applied force divided by the initial length of the material.
True stress
True strain
Engineering strain
Engineering stress
What factor that contributes the stress-strain behavior as shown above?
Pressure
Molecular Weight
Temperature
Degree of Crystallinity
What factor that contributes the stress-strain behavior as shown above?
Cross Linking
Molecular Weight
Temperature
Degree of Crystallinity
The best terms to describe mechanical characteristics of polymer 1 are
Soft and Tough
Stiff and Strong
Soft and Weak
Stiff and Brittle
Stiff and Tough
The best terms to describe mechanical characteristics of polymer 2 are
Soft and Tough
Stiff and Strong
Soft and Weak
Stiff and Brittle
Stiff and Tough
The best terms to describe mechanical characteristics of polymer 3 are
Soft and Tough
Stiff and Strong
Soft and Weak
Stiff and Brittle
Stiff and Tough
The best terms to describe mechanical characteristics of polymer 4 are
Soft and Tough
Stiff and Strong
Soft and Weak
Stiff and Brittle
Stiff and Tough
The best terms to describe mechanical characteristics of polymer 5 are
Soft and Tough
Stiff and Strong
Soft and Weak
Stiff and Brittle
Stiff and Tough
