Which word completes the list of main parts in the engineering design process: defining, selecting, implementing, and ?

• A. Evaluating
• B. Designing
• C. Testing
• D. Manufacturing

Answer: (A)

Evaluating is the best fit because after implementing a chosen solution you need to check how it performs against the defined criteria and constraints. This step gathers data, observes results, and determines whether the solution meets the goals or if adjustments are needed, which then informs any necessary redesign or refinements. Designing would occur earlier in the process when exploring options, and while testing can be part of evaluating, the common sequence emphasizes evaluating as the concluding step. Manufacturing is a later production activity, not part of assessing the design’s effectiveness.