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Question 1

The stress at failure

Answer 1

RUPTURE STRENGTH

Question 2

The highest ordinate in a stress-strain diagram

Answer 2

ULTIMATE STRENGTH

Question 3

The material will have an appreciable elongation or yielding without corresponding increase in load

Answer 3

YIELD STRENGTH

Question 4

A material condition that causes it to deform permanently even due to slight increase of stress

Answer 4

YIELDING

Question 5

Fracture caused when a material is subjected to repeated cycles of stress or strain

Answer 5

FATIGUE

Question 6

When a material is loaded over a long period, it causes it to deform continuously until fracture

Answer 6

CREEP

Question 7

A property of a material that describes its ability to deform under tensile stress without fracturing

Answer 7

DUCTILITY

Question 8

Refers to the ability of a material to absorb energy without fracturing

Answer 8

TOUGHNESS

Question 9

Refers to a substance or material that has uniform composition and properties throughout its structure

Answer 9

HOMOGENEOUS MATERIAL

Question 10

A property of a material that describes its ability to absorb and store elastic energy when deformed and then release that energy upon unloading

Answer 10

RESILIENCE

Question 11

A fundamental property of a material that describes its ability to deform under applied stress and return to its original shape and size when the stress is removed

Answer 11

ELASTICITY

Question 12

Refers to the ability of a material to resist deformation when subjected to an applied load or force.

Answer 12

STIFFNESS

Question 13

The measure of the material’s rigidity or resistance to bending, stretching, or compressing

Answer 13

STIFFNESS

Question 14

The ability of a material to undergo large permanent deformation in compression

Answer 14

MALLEABILITY

Question 15

A property of a material which enables a material to be beaten or rolled into thin sheets

Answer 15

MALLEABILITY

Question 16

A substance or material that exhibits the same physical properties in all directions.

Answer 16

ISOTROPIC MATERIAL

Question 17

A substance or material that exhibits different physical properties or behaviors in different directions

Answer 17

ANISOTROPIC

Question 18

A material that exhibits distinct properties in different directions; A material that possesses different strengths, stiffnesses, and thermal expansion coefficients in different directions

Answer 18

ORTHOTROPIC MATERIAL

Question 19

The proportionality of stress and strain or the slope of the stress-strain diagram within the elastic range of the material

Answer 19

YOUNG’S MODULUS

Question 20

The property that measures the energy-absorbing capacity of a material under elastic deformation.

Answer 20

MODULUS OF RESILIENCE

Question 21

It is defined as the maximum amount of energy per unit volume that a material can absorb without permanent deformation or failure

Answer 21

MODULUS OF RESILIENCE

Question 22

A phenomenon that occurs in certain materials when they are subjected to plastic deformation

Answer 22

STRAIN HARDENING

Question 23

Refers to the increase in hardness and strength of material as a result of plastic deformation, while also decreasing its ductility

Answer 23

STRAIN HARDENING

Question 24

Refers to the region in which it exhibits linear elastic behavior

Answer 24

ELASTIC REGION

Question 25

Refers to the stress level at which the material begins to exhibit significant plastic deformation or permanent strain under an applied load

Answer 25

YIELD POINT

Question 26

Critical point that marks the transition from the elastic deformation region to plastic deformation

Answer 26

YIELD POINT

Question 27

Refers to the stress or load that a material can withstand before it breaks or rupture

Answer 27

RUPTURE STRENGTH

Question 28

The maximum stress or load that a material can withstand before it breaks of fail; the highest point on the stress-strain curve of the material during a tensile test

Answer 28

ULTIMATE STRENGTH

Question 29

The greatest stress that one can still see a linear relation between stress and strain

Answer 29

PROPORTIONAL LIMIT

Question 30

The ratio of lateral strain to longitudinal strain; The typical range for this quantity is between 0 to 0.5

Answer 30

POISSON'S RATIO

Question 31

Refers to the lateral dispacement of one level relative to the level above or below

Answer 31

STOREY DRIFT

Question 32

Occurs when the structure's center of mass does not coincide with its center of rigidity

Answer 32

TORSIONAL SHEAR STRESS

Question 33

It occurs when the structure's period coincides with the earthquake period.

Answer 33

RESONANCE