30 free DAT practice questions
Connects design thinking, technology application, materials, systems, sustainability, and product evaluation.
Start with the diagnostic, then open the practice bank
Start one complete 30-question free runner. Questions 1-6 also power the optional diagnostic report, while questions 7-30 remain local practice. Every answer includes an explanation.
Design and Applied Technology
Know what the real Design and Applied Technology assessment includes
AceDSE's free questions are a short multiple-choice diagnostic. They check selected concepts; they are not a past paper, predicted paper, or complete simulation of every assessed skill.
Topic checkpoints mapped to official source boundaries
Use this AceDSE Design and Applied Technology map as a revision index. It is organised within HKEAA and EDB source boundaries, but the official documents remain the final authority.
Design context, user needs, and problem definition
Design context, user needs, and problem definition belongs to Design process and communication. Use it as one official curriculum checkpoint before moving into timed practice.
- Explain Design context, user needs, and problem definition using precise subject language.
- Choose evidence, formulae, examples, or data that match the Design process and communication task.
- Show working or reasoning clearly enough for marker-friendly review.
Checkpoints
- Know the core ideas and vocabulary for Design context, user needs, and problem definition.
- Practise common HKDSE question formats for Design context, user needs, and problem definition.
- Record mistakes and link them to adjacent topics.
Exam skills
- Explain Design context, user needs, and problem definition using precise subject language.
- Choose evidence, formulae, examples, or data that match the Design process and communication task.
- Show working or reasoning clearly enough for marker-friendly review.
Practice route
- Recall the key ideas for Design context, user needs, and problem definition before opening questions.
- Attempt a short diagnostic task, then mark the exact reason for any lost mark.
- Redo one adjacent topic so the checkpoint stays connected instead of isolated.
Weak signals
- You recognise Design context, user needs, and problem definition but cannot choose the right method under time pressure.
- Your answer uses the right keyword but lacks the required evidence, step, or example.
- The same mistake appears again after reading the explanation.
Idea generation, evaluation, and design decisions
Idea generation, evaluation, and design decisions belongs to Design process and communication. Use it as one official curriculum checkpoint before moving into timed practice.
- Explain Idea generation, evaluation, and design decisions using precise subject language.
- Choose evidence, formulae, examples, or data that match the Design process and communication task.
- Show working or reasoning clearly enough for marker-friendly review.
Checkpoints
- Know the core ideas and vocabulary for Idea generation, evaluation, and design decisions.
- Practise common HKDSE question formats for Idea generation, evaluation, and design decisions.
- Record mistakes and link them to adjacent topics.
Exam skills
- Explain Idea generation, evaluation, and design decisions using precise subject language.
- Choose evidence, formulae, examples, or data that match the Design process and communication task.
- Show working or reasoning clearly enough for marker-friendly review.
Practice route
- Recall the key ideas for Idea generation, evaluation, and design decisions before opening questions.
- Attempt a short diagnostic task, then mark the exact reason for any lost mark.
- Redo one adjacent topic so the checkpoint stays connected instead of isolated.
Weak signals
- You recognise Idea generation, evaluation, and design decisions but cannot choose the right method under time pressure.
- Your answer uses the right keyword but lacks the required evidence, step, or example.
- The same mistake appears again after reading the explanation.
Sketching, modelling, CAD, and visual communication
Master graphical communication tools including orthographic, isometric, and perspective drawing to British and international standards. Learn to build physical and digital models to convey design ideas effectively.
- Interpret and produce orthographic drawings from given pictorial views
- Sketch proportional isometric drawings to communicate design ideas quickly
- Add appropriate section views to clarify internal geometry
Checkpoints
- Know the core ideas and vocabulary for Sketching, modelling, CAD, and visual communication.
- Practise common HKDSE question formats for Sketching, modelling, CAD, and visual communication.
- Record mistakes and link them to adjacent topics.
Exam skills
- Interpret and produce orthographic drawings from given pictorial views
- Sketch proportional isometric drawings to communicate design ideas quickly
- Add appropriate section views to clarify internal geometry
- Use CAD tools to create 3D models and generate technical drawings
Practice route
- Draw the third-angle orthographic views of a simple object (e.g., a bracket) with proper dimensioning.
- Sketch an isometric view of the same bracket and label key dimensions.
- Create a 3D model of a product using free CAD software and produce an exploded assembly view.
- Build a physical scale model using cardboard or foam core and evaluate its ability to communicate the design intent.
Weak signals
- Mixing first-angle and third-angle projection conventions
- Missing hidden detail lines in orthographic views
- Poor proportion in freehand sketches, hindering communication
- Over-dimensioning or under-dimensioning a drawing
Project planning, testing, and refinement
Project planning, testing, and refinement belongs to Design process and communication. Use it as one official curriculum checkpoint before moving into timed practice.
- Explain Project planning, testing, and refinement using precise subject language.
- Choose evidence, formulae, examples, or data that match the Design process and communication task.
- Show working or reasoning clearly enough for marker-friendly review.
Checkpoints
- Know the core ideas and vocabulary for Project planning, testing, and refinement.
- Practise common HKDSE question formats for Project planning, testing, and refinement.
- Record mistakes and link them to adjacent topics.
Exam skills
- Explain Project planning, testing, and refinement using precise subject language.
- Choose evidence, formulae, examples, or data that match the Design process and communication task.
- Show working or reasoning clearly enough for marker-friendly review.
Practice route
- Recall the key ideas for Project planning, testing, and refinement before opening questions.
- Attempt a short diagnostic task, then mark the exact reason for any lost mark.
- Redo one adjacent topic so the checkpoint stays connected instead of isolated.
Weak signals
- You recognise Project planning, testing, and refinement but cannot choose the right method under time pressure.
- Your answer uses the right keyword but lacks the required evidence, step, or example.
- The same mistake appears again after reading the explanation.
Materials, manufacturing, and production processes
Materials, manufacturing, and production processes belongs to Technology, materials, and society. Use it as one official curriculum checkpoint before moving into timed practice.
- Explain Materials, manufacturing, and production processes using precise subject language.
- Choose evidence, formulae, examples, or data that match the Technology, materials, and society task.
- Show working or reasoning clearly enough for marker-friendly review.
Checkpoints
- Know the core ideas and vocabulary for Materials, manufacturing, and production processes.
- Practise common HKDSE question formats for Materials, manufacturing, and production processes.
- Record mistakes and link them to adjacent topics.
Exam skills
- Explain Materials, manufacturing, and production processes using precise subject language.
- Choose evidence, formulae, examples, or data that match the Technology, materials, and society task.
- Show working or reasoning clearly enough for marker-friendly review.
Practice route
- Recall the key ideas for Materials, manufacturing, and production processes before opening questions.
- Attempt a short diagnostic task, then mark the exact reason for any lost mark.
- Redo one adjacent topic so the checkpoint stays connected instead of isolated.
Weak signals
- You recognise Materials, manufacturing, and production processes but cannot choose the right method under time pressure.
- Your answer uses the right keyword but lacks the required evidence, step, or example.
- The same mistake appears again after reading the explanation.
Systems, control, electronics, and automation
Analyse open- and closed-loop control systems, including sensors, controllers, and actuators. Explore emerging technologies such as IoT, robotics, and smart systems and their integration into modern products.
- Identify and describe the function of each block in a control system diagram
- Design a basic feedback loop to meet given performance criteria
- Evaluate the suitability of an emerging technology for a particular design problem
Checkpoints
- Know the core ideas and vocabulary for Systems, control, electronics, and automation.
- Practise common HKDSE question formats for Systems, control, electronics, and automation.
- Record mistakes and link them to adjacent topics.
Exam skills
- Identify and describe the function of each block in a control system diagram
- Design a basic feedback loop to meet given performance criteria
- Evaluate the suitability of an emerging technology for a particular design problem
- Integrate sensors and actuators with a microcontroller to create a simple smart product
Practice route
- Draw the block diagram for a common automatic system (e.g., air conditioner) and explain each part.
- Program a simple Arduino or similar system to respond to a sensor input (e.g., light an LED when motion detected).
- Research an emerging technology (e.g., smart home IoT) and outline a design concept that uses it.
- Analyse the control system of a given product (e.g., automatic door) and suggest improvements.
Weak signals
- Confusing open-loop and closed-loop systems
- Forgetting that sensors need signal conditioning to interface with controllers
- Overlooking power requirements for actuators in a system design
- Misjudging the reliability and latency of wireless IoT protocols
Innovation, intellectual property, and entrepreneurship
Innovation, intellectual property, and entrepreneurship belongs to Technology, materials, and society. Use it as one official curriculum checkpoint before moving into timed practice.
- Explain Innovation, intellectual property, and entrepreneurship using precise subject language.
- Choose evidence, formulae, examples, or data that match the Technology, materials, and society task.
- Show working or reasoning clearly enough for marker-friendly review.
Checkpoints
- Know the core ideas and vocabulary for Innovation, intellectual property, and entrepreneurship.
- Practise common HKDSE question formats for Innovation, intellectual property, and entrepreneurship.
- Record mistakes and link them to adjacent topics.
Exam skills
- Explain Innovation, intellectual property, and entrepreneurship using precise subject language.
- Choose evidence, formulae, examples, or data that match the Technology, materials, and society task.
- Show working or reasoning clearly enough for marker-friendly review.
Practice route
- Recall the key ideas for Innovation, intellectual property, and entrepreneurship before opening questions.
- Attempt a short diagnostic task, then mark the exact reason for any lost mark.
- Redo one adjacent topic so the checkpoint stays connected instead of isolated.
Weak signals
- You recognise Innovation, intellectual property, and entrepreneurship but cannot choose the right method under time pressure.
- Your answer uses the right keyword but lacks the required evidence, step, or example.
- The same mistake appears again after reading the explanation.
Sustainable design, safety, and ethical issues
Investigate design for sustainability across product life cycle, including material selection, energy efficiency, and end-of-life management. Explore ergonomics and inclusive design to ensure products are accessible to diverse users.
- Apply life cycle thinking to evaluate the environmental impact of a product
- Propose design modifications to improve recyclability or energy efficiency
- Select appropriate anthropometric data to define product dimensions for a target population
Checkpoints
- Know the core ideas and vocabulary for Sustainable design, safety, and ethical issues.
- Practise common HKDSE question formats for Sustainable design, safety, and ethical issues.
- Record mistakes and link them to adjacent topics.
Exam skills
- Apply life cycle thinking to evaluate the environmental impact of a product
- Propose design modifications to improve recyclability or energy efficiency
- Select appropriate anthropometric data to define product dimensions for a target population
- Critique a product's design from an inclusivity standpoint and suggest improvements
Practice route
- Perform a simplified LCA for a disposable cup vs. a reusable cup, comparing key impact categories.
- Redesign a common product (e.g., a phone charger) to improve its repairability and recyclability.
- Measure your own anthropometric data and use it to design a simple workstation layout.
- Audit a public facility (e.g., a bus stop) for accessibility issues and propose inclusive solutions.
Weak signals
- Focusing only on material recyclability while ignoring energy consumption in manufacturing
- Applying a single anthropometric percentile without considering the range of users
- Assuming a design is inclusive if it meets minimum legal requirements
- Forgetting that sustainable design also includes social and economic aspects (triple bottom line)
Run a timed DAT study block
Pick a short timer, keep the checklist visible, and turn the free questions into a real revision session instead of a quick scroll.
Choose a task, start the timer, then answer without switching tabs.
Design and Applied Technology quick reference
Keep this open while practising so formulas, answer frames, and common checkpoints stay visible.
DAT high-yield checklist
- Design context, user needs, and problem definition: Know the core ideas and vocabulary for Design context, user needs, and problem definition.; Practise common HKDSE question formats for Design context, user needs, and problem definition.
- Idea generation, evaluation, and design decisions: Know the core ideas and vocabulary for Idea generation, evaluation, and design decisions.; Practise common HKDSE question formats for Idea generation, evaluation, and design decisions.
- Sketching, modelling, CAD, and visual communication: Know the core ideas and vocabulary for Sketching, modelling, CAD, and visual communication.; Practise common HKDSE question formats for Sketching, modelling, CAD, and visual communication.
- Project planning, testing, and refinement: Know the core ideas and vocabulary for Project planning, testing, and refinement.; Practise common HKDSE question formats for Project planning, testing, and refinement.
- Materials, manufacturing, and production processes: Know the core ideas and vocabulary for Materials, manufacturing, and production processes.; Practise common HKDSE question formats for Materials, manufacturing, and production processes.
- Systems, control, electronics, and automation: Know the core ideas and vocabulary for Systems, control, electronics, and automation.; Practise common HKDSE question formats for Systems, control, electronics, and automation.
Answer routine
- Read the command word, underline evidence, plan the answer route, then check the final wording.
- For calculation or data tasks, show units, assumptions, working, and final interpretation.
- For essay or explanation tasks, use point, evidence, explanation, and judgement.
Build a DAT plan for this week
Choose your weakest topic and available time. AceDSE will turn the syllabus map into a simple 7-day route you can start immediately.
The plan combines concept review, free diagnostic questions and mistake logging. Consider a reviewed guided route only when it is available and the same weakness repeats.