Which of the following is an example of technological progress?

producing more output by revamping operation methods of the assembly line

producing more output by operating the plant for more hours of the day

producing more output by hiring more workers

producing more output by expanding the square footage of the plant

One example of the technological process would be producing more output by revamping operation methods of the assembly line

Technological process refers to the process to imple ment a new technology in order to solve existing problem. Eventhough they also produce more output, Other choices beside this couldn't be categorized as a technological process because they only increase either the capital or the material without any new technology.