65 Questions
What does aesthetics refer to?
The pleasing appearance or effect that an object has because of its design
What is the role of aesthetics in the structural designs of First Nations people?
It reflects the environment and personal spiritual beliefs of the owners
How is structural strength defined?
The ability of a structure to hold itself up, even with added weight
What is the main criterion for classifying structures according to the text?
Materials used in construction
In what way do homes developed by different cultures demonstrate human adaptation?
By showcasing varied approaches to a basic form
How is force defined in the context of structures?
A push or pull that tends to change an object's movement or shape
What is the main method of increasing a structure's stability?
Placing most of the mass of the structure close to the ground
What does symmetry refer to in structures?
Equal distribution of mass around the centre
How does placing a structure's mass close to the ground affect its stability?
Increases stability
What is the role of the centre of gravity in determining a structure's stability?
It determines whether a structure will stay balanced
What is a load in structures?
An external force acting on a structure
Why must the mass of a symmetrical structure be equally distributed around its centre?
To ensure equal force of gravity around the centre and maintain stability
What is the shape of a girder (box beam)?
Rectangular prism
How is a truss usually designed?
As interlocking triangles
What kind of beam is a cantilever?
Supported only at one end
What is structural fatigue caused by?
Repeated abnormal use of the structure
What happens when a structure undergoes structural failure?
The structure collapses
How are materials in structures evaluated?
According to many properties
What is an example of a dynamic load?
Moving students on a school staircase
Which type of load exerts a force that is not moving relative to the structure?
Weight of a structure
What is a key consideration for engineers when deciding what type of bridge is suitable?
What the bridge is crossing
Which statement best defines a dynamic load?
An external force that moves or changes with time
In terms of performance requirements, what should engineers always express?
Maximum Weight the structure can support
What example best represents a static load?
'Ten people standing in an elevator waiting for the doors to close'
What is the purpose of testing a structure to the extremes?
To ensure safety at all stages of construction
Why do builders need to consider environmental factors like terrain conditions?
To ensure stability and safety of the structure
What is the importance of monitoring for structural safety according to the text?
To determine why structures fail and how often
Why must builders take climate conditions into account when constructing outdoor structures?
To ensure structures can withstand weather conditions
What is the significance of accounting for earthquake risk in construction?
To ensure structures can resist external and internal forces during earthquakes
Why are special techniques required when constructing in areas with unstable soils and steep terrain?
To ensure structural stability and safety
How does the presence of a very thin film of water on a road affect the slipperiness to a moving car or truck?
Less slippery
What is one advantage of using screws, tacks, and staples in structures?
Easily removed
How can the amount of friction between two surfaces be increased?
By increasing the area in contact
What is the difference between fixed joints and moveable joints in structures?
Fixed joints are rigid, while moveable joints are flexible or mobile
How do joints that rely on bonding connect two surfaces in structures?
By changing the two surfaces so they are connected by a common material
Structural safety testing occurs only during the final stages of a project.
False
Permafrost is a type of soil that remains solid throughout the year without any seasonal changes.
False
Unstable soils and steep terrain are ideal choices for constructing structures.
False
Monitoring for structural safety is not a continuous process according to the text.
False
External and internal forces due to shifting of the earth's plates do not pose a risk to structures built in earthquake-prone areas.
False
Structural fatigue is not a concern when evaluating the safety of a structure.
False
Terrain conditions do not impact the suitability of a location for constructing a structure.
False
Structural safety is not affected by climate-related factors according to the text.
False
Builders are not required to consider earthquake risk when constructing structures.
False
The margin of safety refers to the absolute limits within which a structure's safety performance is considered acceptable.
True
Hinges, pin joints, and flexible rubber tubing are examples of fixed joints.
False
Ball and socket joints are examples of pivot joints.
False
Ligaments are connective tissues that attach muscles to bones.
False
Cartilage reduces friction by providing rough surfaces for movement.
False
Skin waterproofs the body, protects it from bacteria, and regulates temperature through sweating and shivering.
True
Fixed joints result from welding, cementing, gluing, or nailing parts together firmly.
True
Movable joints allow flexibility and movement within a structure when required.
True
Fixed joints are designed to allow movement in the structure.
False
Movable joints in structures prevent any movement of parts.
False
Welding, cementing, and gluing are methods that result in movable joints in structures.
False
A camper spreads a rubber tarp on slightly sloping ground, then puts a backpack on top of the tarp. When the camper returns a moment later, the backpack has slid several centimetres up the slope.
False
It is easier to open a jar lid if your hands are dry than if they are wet.
True
A hockey skater reduces speed by digging in the tip of each skate when striding forward.
True
In structures, fixed joints are always rigid and immovable to allow for flexibility in movement.
False
Movable joints in structures are designed to allow for flexibility and movement between structural components.
True
A fixed joint allows for movement between the connected parts of a structure.
False
Movable joints are designed to restrict movement between different parts of a structure.
False
Fixed joints are essential in structures that require flexibility and adaptability to external forces.
False
Movable joints are commonly used in bridges to absorb and distribute dynamic loads.
True
Fixed joints are typically utilized in structures like suspension bridges where controlled movement is necessary.
False
Explore the interpretation and classification of man-made structures based on materials and components, as well as the concept of aesthetics in design. Discover how aesthetics influences the structural designs of different cultures and its importance in reflecting personal and cultural values.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
