The questions you ask become part of the overall impression you make during the interview. Choose your questions carefully to show that you are concerned about the employer’s needs as well as your own.
As you think about starting a job, you may be concerned about the health benefits the company offers or how soon you will start earning sick leave or vacation days. Although these are important things to find out, they are not appropriate questions for the initial job interview. Save these questions for your second interview with the company or until you’ve been offered a job. On the other hand, if you do have definite schedule requirements like you absolutely cannot work on Wednesdays, you should tell the employer during the interview process. You don’t want to surprise an employer with this kind of information after he or she offers you the job.
Consider asking one of these questions:
What if all of your questions have already been answered?
Try your best to ask a meaningful question, but remember this also may be the last opportunity to share something about yourself that the employer doesn't know. Make sure you have thought of at least three relevant, positive stories from your past before the interview. If you haven't had a chance to share any of them at the end of the interview, you can let them know they have answered all your questions and then ask to share one or two things about yourself that didn't come up in the interview.