It's been years since I used one, but the answer is yes. Very faint but the answer is yes, at least whith stuff in the unit.
I hate to tell what we used for cleaning solution. This was clean room clean type work.
Some good tips in these threads. Do NOT join Tapatalk. Just close the ad and read the thread. Solutions for ultrasonic Cleaning Carburetors
"Deep roots" does a lot of carb resto work...