DT Revision

Question 1

What are the three parts of a risk assessment?

Answer 1

Hazard, Risk level (low/medium/high), Control measure

Question 2

What is User-Centred Design?

Answer 2

A strategy that puts the user’s needs and experiences at the heart of the design process.

Question 3

What is tensile strength?

Answer 3

A material’s resistance to pulling (tension) forces.

Question 4

How does the bridge knife grip differ from the claw grip?

Answer 4

Bridge: hands form an arch, knife cuts in between; Claw: fingers curled under to safely hold food while cutting.

Question 5

What does the Eatwell Plate show?

Answer 5

The recommended proportions of different food groups for a balanced diet.

Question 6

What are macronutrients and micronutrients?

Answer 6

Macronutrients = large amounts (protein, carbs, fat); Micronutrients = small amounts (vitamins, minerals)

Question 7

What are the steps in the OBSERVE model for product analysis?

Answer 7

Opinion – Because – So What

Question 8

What’s the difference between a Design Brief and a Design Specification?

Answer 8

Brief = problem to solve; Specification = criteria the design must meet

Question 9

What is a prototype and why is it used?

Answer 9

A model used to test and improve a design before final production.

Question 10

What tool should be used with a machine vice and depth stop?

Answer 10

Pillar drill

Question 11

How should a glue gun be used safely?

Answer 11

Squeeze a small amount, return to stand, treat burns with cold water

Question 12

What is the purpose of 3D printing in design?

Answer 12

Create physical prototypes from virtual models using melted filament, layer by layer

Question 13

What are Boolean functions in Tinkercad?

Answer 13

Group and subtract shapes to form custom designs

Question 14

What does a resistor do?

Answer 14

Reduces current in a circuit; it’s non-polarised

Question 15

What makes triangles strong in structures?

Answer 15

They distribute tension and compression forces evenly

Question 16

What are food miles, and why do they matter?

Answer 16

Distance food travels; more miles = higher carbon footprint

Question 17

What is iterative design?

Answer 17

A make-test-evaluate cycle to improve a product through multiple versions

Question 18

What cooking method is used in making Béchamel sauce?

Answer 18

Mixing butter, flour, and milk into a smooth white sauce

Question 19

What is food provenance?

Answer 19

Knowing where food is grown, reared, caught, and how it’s produced and transported

Question 20

What is a virtual model?

Answer 20

A design made using CAD software to simulate appearance and function

Question 22

What are two key safety rules in the workshop?

Answer 22

Wear goggles and aprons, keep the workshop tidy.

Question 23

What does compressive strength mean?

Answer 23

A material’s ability to resist crushing or squeezing forces.

Question 24

What is destructive testing?

Answer 24

Testing a product or material to the point of failure to assess its limits.

Question 25

What does CAD stand for?

Answer 25

Computer-Aided Design.

Question 26

What does CAM stand for?

Answer 26

Computer-Aided Manufacture.

Question 27

What is the correct way to hold a soldering iron?

Answer 27

Like a pencil — for accuracy and control.

Question 28

Why must polarised components be placed in the correct direction?

Answer 28

They only work if current flows the right way.

Question 29

What does the 'plan view' of a design show?

Answer 29

A bird’s-eye view (from above), like a floor plan.

Question 30

What is a design fixation?

Answer 30

When a designer focuses too much on one idea and ignores other solutions.

Question 31

What are the main ingredients in a Béchamel sauce?

Answer 31

Butter, flour, and milk.

Question 32

What is food provenance?

Answer 32

Knowing where and how food is grown, reared, or caught.

Question 33

What is a client profile?

Answer 33

A summary of a client’s needs, interests, and preferences.

Question 34

What is a desire path?

Answer 34

A shortcut or trail made by repeated human or animal traffic.

Question 35

What does the align tool do in Tinkercad?

Answer 35

It lines up shapes evenly on the X, Y, or Z axis.

Question 36

What is meant by ergonomics in design?

Answer 36

Designing for comfort, efficiency, and ease of use.

Question 37

What is cross-contamination in food prep?

Answer 37

Transfer of harmful bacteria from raw foods to ready-to-eat foods.

Question 38

What colour chopping board is used for raw meat?

Answer 38

Red.

Question 39

What is a functional model?

Answer 39

A prototype that tests how the product will be used.

Question 40

What are the 3 key elements of the User–Task–Environment model?

Answer 40

User: who will use it; Task: what it must do; Environment: where it will be used.

Question 41

What is a design context?

Answer 41

A general problem or situation that needs solving with a design.

Question 42

Why do designers carry out user testing?

Answer 42

To get feedback and improve the product based on real user experience.

Question 43

What is a sustainable product?

Answer 43

One that meets present needs without harming future generations’ ability to meet theirs.

Question 44

What is an STL file used for?

Answer 44

To export 3D models for 3D printing.

Question 45

What is the shape of a good solder joint?

Answer 45

Concave peak (mountain-shaped).

Question 46

What is a battery?

Answer 46

A polarised component that stores energy using chemical cells.

Question 47

What is the difference between aesthetics and function?

Answer 47

Aesthetics = how it looks and feels; Function = what it does and how it works.

Question 48

What does 'seasonal food' mean?

Answer 48

Food that is naturally available during certain times of the year.

Question 49

What does energy balance mean in health?

Answer 49

Matching energy intake (food) with energy used (activity/metabolism).

Question 50

What does BMI stand for and what does it measure?

Answer 50

Body Mass Index – measures weight in relation to height.

Question 51

What is a scroll saw used for?

Answer 51

To cut curves and shapes in thin wood or plastic using a fine blade.

Question 52

What is a sanding machine used for?

Answer 52

Smoothing surfaces by pressing material gently against a moving abrasive surface.

Question 53

What is a design specification used for?

Answer 53

To set out all the criteria the final design must meet (size, function, materials, safety, etc.).