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Structural Terms and Forces Review Quiz

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Questions and Answers

What is the definition of Fatigue?

The point through which the resultant of the resistance to the applied lateral force acts.
The material's ability to absorb energy in the plastic range.
The breakdown of a structure due to repeated cycles of stress or strain. (correct)
When a material has to support a load for a long period of time.

What is the definition of Creep Soft Story?

A structure with lateral stiffness less than 70 percent of the stiffness of the story above. (correct)
A sudden drop in the shear strength of a soil.
A lateral displacement of one level relative to the level above or below.
When a material deforms permanently due to a slight increase in stress above the elastic limit.

What does Elasticity refer to?

The property that makes a material return to its original dimension when the load is removed. (correct)
A sudden drop in the shear strength of a soil.
A lateral displacement of one level relative to the level above or below.
The point through which the resultant of the resistance to the applied lateral force acts.

What is Plasticity defined as?

The condition of a material when it breaks down and deforms permanently above the elastic limit. (D) Signup and view all the answers

'Resonance' is best described as:

The phenomenon where forces coincide with natural frequencies causing increased amplitude. (B) Signup and view all the answers

'Magnitude of Earthquake' is measured by:

The Richter Scale. (B) Signup and view all the answers

'Story Drift' occurs when:

A material has to support a load for a long period of time. (D) Signup and view all the answers

'Toughness' is best defined as:

'Ability of a material to absorb energy in the plastic range or fracture point.' (C) Signup and view all the answers

'Center of Rigidity' refers to:

'Point through which the resultant of resistance to applied lateral force acts.' (C) Signup and view all the answers

'Seismic/Earthquake Waves' are measured by:

'A seismometer.' (B) Signup and view all the answers

'Liquefaction' can be described as:

'A sudden drop in soil shear strength.' (A) Signup and view all the answers

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