Engineering Materials

Ductility of a material can be defined as

• ability to undergo large permanent deformations in compression

• ability to recover its original form

• ability to undergo large permanent deformations in tension

• ability to be broken into pieces

Malleability of a material can be defined as

• ability to undergo large permanent deformations in compression

• ability to recover its original form

• ability to undergo large permanent deformations in tension

• ability to be broken into pieces

Elasticity of a material can be defined as

• ability to undergo large permanent deformations in compression

• ability to recover its original form

• ability to undergo large permanent deformations in tension

• ability to be broken into pieces

Brittleness of a material can be defined as

• ability to undergo large permanent deformations in compression

• ability to recover its original form

• ability to undergo large permanent deformations in tension

• ability to be broken into pieces

Which of the following best describes a mirror?

• brittle

• malleable

• ductile

• tough

Which of the following best describes a car's wheel?

• brittle

• malleable

• ductile

• elastic

Which of the following best describes an electric wire?

• brittle

• malleable

• ductile

• elastic

A grinder is able to polish or sharpen another material. Which of the following best describes this property?

• brittle

• malleable

• ductile

• hardness

Mechanical properties of a material can be observed by using which of the following?

• nose

• ears

• eyes

• hands

Plasticity is characterized by permanent deformation upon removal of applied force.

• True

• False