You should ask this question to your project manager. Even if somebody says they do some xyz work in there, you are not sure that you are going to get that work when you join. Its always better to ask your prospective project manager what sort of project they are hiring you for and what kind of work you'll be doing.
I think you should make things clear about the work contents from your project manager. Ofcourse this applies only if they have recruited you for project specific requirement and not general recruitment drive.