Some expected working hours are stated in the job description. However, working hours for each intern vary, which might be negotiable between students, mentors and organizations within reasonable limits.
Accommodation is usually not provided. However, you might seek suggestions once you are accepted from the program and connected to the mentors.
Since the internship is a graded course, NTU OIA highly suggests students to pay full attention to this internship in order to perform well. However, if students have to take more than one internship, students should follow the VISA requirement in that country.
Yes. However, for the extended internship, students need to take all the responsibilities by themselves. NTU OIA will not be part of the process after the 12-week internship is over.