1B2 Engineering Design

Question 1

Define:

engineering design

Answer 1

A set of structured steps engineers use when developing a product.

This iterative process combines creativity and technical knowledge to develop effective solutions.

Question 2

What is the primary goal of the engineering design process?

Answer 2

To develop practical, efficient, and innovative solutions to real-world problems.

Each step contributes to refining and validating the final solution.

Question 3

List the steps in the engineering design process.

Answer 3

1. Define the problem
2. Research
3. Brainstorming
4. Determine the best solution
5. Prototyping
6. Testing
7. Iteration
8. Implementation

Each step contributes to refining and validating the final solution.

Question 4

Why is defining the problem the first step in engineering design?

Answer 4

It is important to understand the challenge and identify criteria for success and constraints.

Proper problem definition ensures that efforts are focused and solutions are practical.

Question 5

Define:

success criteria

Answer 5

Measurable objectives or standards that a solution must meet to be considered effective.

Examples:

• Durability
• Efficiency
• Cost-effectiveness

Question 6

Define:

constraints

Answer 6

Limitations that state what can and cannot be included in the design.

Examples:

• Budget
• Time
• Resources

Question 7

How do engineers identify a problem?

Answer 7

• By defining the challenge
• Understanding constraints
• Gathering background information

Clear problem definition involves asking questions like:

• What needs improvement?
• What challenges do users face?

Question 8

Why is identifying constraints important in engineering design?

Answer 8

To ensure the solution is feasible and within practical boundaries.

Constraints limit the design options and must be considered.

Question 9

Fill in the blank:

________ is the step where engineers gather existing knowledge and insights.

Answer 9

Research

Research ensures solutions are informed by current science and technology.

Question 10

What is the importance of brainstorming?

Answer 10

It fosters creativity and innovation in order to solve a problem.

This step includes generating a wide range of ideas to solve a problem. This step encourages diverse perspectives to explore all possibilities.

Question 11

What does it mean to determine the best solution?

Answer 11

Choosing the most feasible and effective idea from the brainstormed options.

Feasibility is assessed based on:

• Constraints
• Potential impact
• Available resources

Question 12

What are specifications in engineering design?

Answer 12

Technical information that define the product.

Specifications ensure that the final product aligns with client needs and complies with industry standards.

Question 13

List four parameters included in product specifications.

Answer 13

1. Size
2. Dimensions
3. Energy efficiency
4. Durability

The parameters depend on the type of product.

Other parameters include:

• Materials standards
• Energy efficiency
• Safety standards
• Environmental considerations

Question 14

List three types of models that can be built during the design process.

Answer 14

1. Prototypes
2. Mathematical models
3. Computer simulations

Models help:

• Visualize concepts
• Assess feasibility
• Refine solutions

Question 15

Define:

prototyping

Answer 15

Creating a preliminary model or sample of the chosen solution.

Prototypes help visualize and test the design before full-scale production.

Question 16

What is the purpose of creating a prototype?

Answer 16

To reduce risks by identifying issues early in the process.

A prototype tests and refines the design.

Question 17

What is testing step of engineering design?

Answer 17

Assessing whether the prototype meets design criteria and functions as intended.

This step ensures the solution is reliable and effective.

Question 18

Why should engineers test multiple prototypes?

Answer 18

To get comparative data to refine the best solution.

Multiple prototypes help identify strengths and weaknesses of different designs.

Question 19

Fill in the blank:

________ is the process of refining a design based on testing feedback.

Answer 19

Iteration

Iteration often involves multiple cycles to optimize the final product.

Question 20

Define:

iterative design process

Answer 20

A cyclical approach where designs are repeatedly tested and improved.

It allows for continuous improvement of the solution.

Question 21

List two examples of trade-offs in engineering design.

Answer 21

1. Sacrificing cost for durability
2. Prioritizing speed over complexity

Trade-offs balance competing constraints to achieve optimal solutions.

Question 22

Define:

optimization

Answer 22

It is the systematic modification of a design to improve its:

• Performance
• Efficiency
• Reliability

This often includes making modifications based on testing and feedback.

Question 23

How is systematic modification used to refine a design?

Answer 23

By making deliberate changes to a design based on test results and analysis to enhance functionality.

This ensures continuous improvement in meeting the problem’s requirements.

Question 24

Define:

reverse engineering

Answer 24

The process of analyzing an existing product to understand its design.

This technique can inspire new designs or improvements.

Question 25

What is a **design matrix**?

Answer 25

A tool used to **compare** and **rank** potential solutions based on set criteria. ## Footnote It helps objectively determine the best option among alternatives.

Question 26

What is the **role** of **systems thinking** in engineering design?

Answer 26

It considers the interconnections and interactions ensuring **holistic solutions** that address all relevant factors. ## Footnote

Question 27

How does **feedback** improve the design process?

Answer 27

It provides critical insights to **refine** and **enhance** the solution. ## Footnote Feedback from users or stakeholders ensures the design meets real-world needs.

Question 28

List *three* **purposes** of using **data** in the engineering design.

Answer 28

1. To inform decisions 1. Validate prototypes 1. Evaluate performance ## Footnote Data-driven designs are grounded in evidence and accuracy.

Question 29

What is **human-centered** design?

Answer 29

A design approach focused on meeting the **needs** and **preferences of users**. ## Footnote This approach emphasizes empathy and user feedback throughout the process.

Question 30

What is the role of **communication** in engineering design?

Answer 30

Clear communication ensures **collaborative problem-solving**. ## Footnote It involves sharing ideas, results, and solutions with stakeholders.

Question 31

How is **collaboration** integral to the design process?

Answer 31

It combines diverse expertise to enhance **problem-solving** and **innovation**. ## Footnote Collaborative efforts often result in more robust and creative solutions.

Question 32

# True of False: **Ethics** influences the engineering design process.

Answer 32

True ## Footnote It ensures solutions prioritize safety, fairness, and social responsibility. Ethical designs prevent harm and promote trust in engineering practices.

Question 33

Name an example of a **sustainable** engineering design.

Answer 33

Using **renewable** materials in construction. ## Footnote Sustainable designs reduce environmental impact and promote long-term resource efficiency.

Question 34

# Define: implementation

Answer 34

To **produce** and **deploy** the final product or system. ## Footnote Implementation is the culmination of the design process.