Question 8

Such measurements will facilitate the process of developing reliable and longer-lasting components for tiny electronic systems.

The passage emphasizes the significance of directly measuring residual stresses, particularly in the context of nontraditional materials and the reduction in scale of engineered systems. This suggests that understanding these stresses will enhance the reliability and longevity of components, especially in smaller electronic systems.

A) Making such measurements will become a routine part of the work of machinists and artisans

While the passage mentions that machinists and artisans have long known about stress-related effects, it does not indicate that direct measurements will become routine in their work. Instead, the focus is on the analytical competence of scientists, suggesting a more specialized application rather than a routine practice.

B) Such measurements will facilitate the process of developing reliable and longer-lasting components for tiny electronic systems

This option aligns perfectly with the passage, which highlights the importance of measuring stress fields for improving the performance of smaller engineered systems. The emphasis on residual stresses affecting microscopic metal parts indicates that such measurements will indeed aid in creating more reliable and durable components in this context.

C) Dental fillings subjected to such measurements will last longer than dental fillings whose residual stresses are unknown

The passage discusses dental fillings in relation to residual stresses but does not specifically link direct measurements of these stresses to the longevity of dental fillings. The focus is more on the implications for engineering and manufacturing rather than directly addressing dental applications.

D) As a result of such measurements, manufacturers will for the first time be able to introduce beneficial residual stress into rigid materials

Although the passage mentions that beneficial residual stresses can be introduced, it does not state that direct measurement will enable this for the first time. The concept of beneficial residual stress already exists in practices like peening, indicating that the measurements will enhance understanding but not necessarily introduce new capabilities.

E) Such measurements will promote modifications in manufacturing processes that will help to eliminate the problem of permanent locked-in stresses

The passage acknowledges the challenges of eliminating locked-in stresses but does not suggest that direct measurements will lead to their elimination. Instead, it highlights the potential for better understanding and managing residual stresses, rather than completely removing them.

Conclusion

The correct answer, B, accurately reflects the passage's argument that direct measurement of residual stresses will be crucial in enhancing the reliability and lifespan of tiny electronic components. Other options either misinterpret the implications of stress measurements or introduce concepts not supported by the text, reinforcing that B is the most fitting choice based on the provided context.