Question

question 2 of 10
what engineering problem was presented in the study?
a. the light - bulbs were too dim.
b. the light - bulbs were burning out after only a few hours of use.
c. the light - bulbs were too bright.
d. the light - bulbs were exploding after several minutes of use.

Explanation:

Among the options, a common engineering - related problem with light - bulbs is their short lifespan. Option B indicates that the light - bulbs were burning out after only a few hours of use, which is an engineering problem related to the durability and design of the light - bulbs.

Answer:

B. The lightbulbs were burning out after only a few hours of use.