Lesson T4.1.2
T4.1.2 Performance of structural elements Quiz: KS3 Design & Technology, Unit 4
20 questions
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Lesson T4.1.2, Performance of structural elements: 20 multiple choice questions for the KS3 Design & Technology (National Curriculum), Unit 4: Technical knowledge, written with Revision Ninja.
Host it live on the board and students join with a game code on their own devices, or revise alone with Free Play. The answers are revealed in the game.
The 20 questions
-
What is the primary function of a frame in a structure?
- Adding colour
- Reducing weight
- Increasing cost
- Supporting loads
-
What type of force acts as a squashing action on a material?
- Shear
- Torsion
- Compression
- Tension
-
What type of force acts as a pulling action on a material?
- Bending
- Tension
- Compression
- Torsion
-
What type of force involves twisting a material along its axis?
- Shear
- Compression
- Torsion
- Tension
-
Which beam cross-section is most efficient at resisting bending?
- Solid square
- Thin flat
- I-section
- Solid circle
-
What primary function does triangulation perform in a frame structure?
- Adds rigidity
- Adds mass
- Reduces height
- Increases flexibility
-
What term describes a beam supported at only one end?
- Cantilever
- Strut
- Joist
- Tie
-
Why is corrugated cardboard stiffer than flat card of the same thickness?
- Wavy internal structure
- Solid plastic core
- Thicker outer layer
- Higher moisture content
-
What change to a flat metal strip most effectively reduces bending under load?
- Painting the surface
- Shortening the strip
- Drilling small holes
- Folding the edges
-
What modification best improves the strength of a sagging stick framework?
- Adding diagonal braces
- Using softer glue
- Thinned members
- Removing joints
-
Which shape resists buckling under a compressive table weight?
- Hollow square tube
- Soft foam strip
- Thin flat ribbon
- Flexible rubber cord
-
Which common object is an example of a shell structure?
- Brick wall
- Steel cable
- Chicken egg
- Wooden stool
-
What type of structural failure occurs when a beam breaks under a central load?
- Shear slip
- Torsion failure
- Bending failure
- Thermal shock
-
Why do designers add corner gussets to a box frame?
- To attract heat
- To prevent racking
- To increase weight
- To store glue
-
What feature makes a moulded plastic chair seat both lightweight and stiff?
- Solid core
- Lead weights
- Foam filling
- Underneath ribs
-
Why is a hollow tube better than a solid rod for a bicycle frame?
- Higher stiffness-to-weight
- Cheaper material
- Shorter length
- Easier to twist
-
Why does rolling a flat paper sheet into a tube make it stiffer?
- Softens the fibres
- Adds extra mass
- Removes air gaps
- Increases cross-section depth
-
Which part of a loaded horizontal beam is in compression?
- End supports
- Lower surface
- Upper surface
- Neutral axis
-
Why do precision measuring instruments require stiff materials?
- Lower cost
- Increase flexibility
- Reduce weight
- Maintain shape
-
What addition best reduces shelf sag without adding excessive weight?
- Heavy steel plate
- Vertical flange rib
- Surface coating
- Thick rubber mat
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