PLTW IED EOC Review

What is the primary purpose of the design process in engineering?

• To create a detailed plan for a new product

• To test the durability of materials

• To analyze the cost of production

• To market the final product

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Which of the following is a key component of a design brief?

• A list of potential suppliers

• A detailed marketing strategy

• A statement of the problem

• A financial report

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In the context of engineering design, what does the term 'iteration' refer to?

• The initial brainstorming session

• The process of repeating steps to refine a design

• The final presentation of a project

• The budgeting phase of a project

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What is the role of a prototype in the engineering design process?

• To finalize the design

• To test and evaluate the design

• To market the product

• To calculate production costs

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Which of the following best describes a constraint in the design process?

• A requirement that must be met

• A suggestion for improvement

• A potential market for the product

• A type of material used

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What is the significance of a Gantt chart in project management?

• It outlines the financial aspects of a project

• It provides a visual timeline for project tasks

• It lists the materials needed for a project

• It describes the marketing strategy

In scientific experiments, what is the purpose of a control group?

• To provide a standard for comparison

• To increase the sample size

• To test multiple variables simultaneously

• To ensure the experiment is ethical

Which of the following is an example of a renewable energy source?

• Coal

• Natural gas

• Solar power

• Nuclear energy

What is the law of conservation of energy?

• Energy can be created and destroyed

• Energy can be transformed from one form to another, but cannot be created or destroyed

• Energy is always lost as heat

• Energy is only conserved in closed systems

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Which scientific principle explains why a ship floats?

• Newton's third law of motion

• Archimedes' principle

• Bernoulli's principle

• Pascal's law