Is it possible to get into a top-10 engineering graduate program without publications?
The admissions process for graduate school is complicated. I am not aware of any admissions committee that requires prior publications to be accepted. Admissions decisions are not so much based on the presence/absence of publications but on the extent to which the application demonstrates an ability to conduct research. Prior publications can demonstrate an ability to conduct research, but do not necessarily guarantee it. The lack of publications does not mean you cannot conduct research, but does mean you need to demonstrate research potential in another way (e.g., letters of recommendation).