# Structures Quiz

10 Questions | Total Attempts: 42

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• 1.
What is a frame structure?
• A.

A structure that is made by the piling up of materials.

• B.

A type of structure in which a skeleton of materials supports the weight of the other A type of structure in which a skeleton of materials supports the weight of the other parts.

• C.

An object or structure that is not made by humans.

• D.

A type of structure that obtains its strength from a thin, carefully shaped outer layer of material that requires no internal frame.

• 2.
Tension force is:
• A.

A force that pulls on a material and stretches it apart.

• B.

Present inside the materials of the structure.

• C.

Seen in Star Wars.

• D.

The forces applied on a structure.

• 3.
Centre of gravity is the point at which all of the gravitational force of an object may be considered to act.
• A.

True

• B.

False

• 4.
A beam is:
• A.

A building.

• B.

Very supportive.

• C.

A vertical support.

• D.

A horizontal support.

• 5.
Ergonomics are design factors that are intended to minimize productivity by maximizing fatigue and discomfort of the user.
• A.

True

• B.

False

• 6.
Shear strength is:
• A.

A force that bends or tears a material by pushing parts in opposite directions.

• B.

A measure of the largest shear force that a material can withstand before tearing apart.

• C.

A measure of the largest torsion force that a material can withstand and still be able to return to its original shape.

• D.

A force that acts on a material by twisting its ends in opposite directions.

• 7.
A layered material in which the middle is folded into a series of triangles to provide extra strength is called:
• A.

Laminate

• B.

Loose

• C.

Courted

• D.

Corrugated

• 8.
The failure of a material when it folds under compressive force is called:
• A.

An upset

• B.

Switch

• C.

Snap

• D.

Buckle

• 9.
A force is measured in kilometres.
• A.

True

• B.

False

• 10.
The characteristics of materials are referred to as properties.
• A.

True

• B.

False

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