We all know that feeling at the end of a job interview when the interviewer says “Do you have any questions for us?” Rather that sitting there with nothing to say or a cursory “No, I think you’ve pretty much covered everything” you should really prepare yourself.
Here are some suggestions to help you prepare for that inevitable question. Obviously you won’t be able to ask all of these questions at one interview and nor will they necessarily suit each role that you are going for.

Try to make sure that when you leave your interview, you know everything that you want to about the prospective role and the organisation that it sits
Navigating silence during an interview can prove difficult.
If you practice ahead of the big day, you’ll know how to fill the silence with substance.
And if you find yourself rambling, there’s no shame in saying, “Let me start over.”
Read full post here - https://blog.needmyservice.com/ways-overcome-awkward-silence-interview/