Question

15
what do engineers use to test their designs of new technologies?
a. models
b. polls
c. reference materials
d. pie charts

Explanation:

Engineers use models (physical or digital) to simulate and test the functionality, performance, and feasibility of new technology designs before full-scale production. Polls are for gathering opinions, reference materials are for information lookup, and pie charts are for data visualization—none of these directly test design functionality.

Answer:

A. models