Yes / No and Wh questions with passive voice:

Some examples:

Yes/No Questions

Simple Present Passive: Is the computer repaired? Yes, It’s / No, it isn’t.

Simple Past Passive: Was the computer repaired? Yes, It was / No, it wasn’t.

Present continuous passive: Is the computer being repaired? Yes, it’s / No, it isn’t.

Past continuous passive: was the computer being repaired? Yes, it was / No, it wasn’t.

Future passive with WILL: Will the computer be repaired? Yes, it will / No, it won’t.

Future passive with  BE GOING TO: Is the computer going to be repaired? Yes, it is / No, it isn’t.

Present perfect passive: Has the computer been repaired? Yes, it has / No, it has't.
Modal Passive: Could the computer be repaired? Yes, it could be / No, it couldn't be.
Phrasal modal passive: Does the computer have to be repaired?

Wh Questions

Simple Present Passive: When is the computer repaired?

Simple Past Passive: Where was the computer repaired?

Present continuous passive: How is the computer being repaired?

Past continuous passive: Why was the computer being repaired?

Future passive with WILL: Why will the computer be repaired?

Future passive with  BE GOING TO: Why is the computer going to be repaired?

Present perfect passive: Why has the computer been repaired?

Modal Passive: Why should the computer be repaired?

Phrasal modal passive: Why does the computer have to be repaired?

http://www.englisch-hilfen.de/en/grammar/questions_passive.htm

http://www.englishexercises.org/makeagame/viewgame.asp?id=8868