כלי שנטמא באב הטומאה may one Toveil it on ו"ט ?

1.   ?    Yes.
2.   ?    No.
3.   ?    Only if it were Tomei ו"ט itself.
4.   ?    Machlokes A&B.
5.   ?    Machlokes B&C.

What about בולד הטומאה ?

1.   ?    Yes.
2.   ?    No.
3.   ?    Only if נטמא ביו"ט .
4.   ?    Machlokes A&B.
5.   ?    Machlokes B&C.

Why is it Asur to immerse a Kli on Shabbos?

1.   ?    It is a Gezeirah if one carry the Kli to the Mikveh.
2.   ?    It is a Gezeirah for Sechitah.
3.   ?    It is a Gezeirahagainst one leave his Kelim for Tevilah on Yom Tov.
4.   ?    דאורייתא
5.   ?    Machlokes all but D.

How could it be permitted to do Tevila on Yom Kipur?

1.   ?    הואיל ובשבת שרי
2.   ?    הלכה למשה מסיני
3.   ?    איבעיא דלא איפשטא
4.   ?    Shinui. Head first.
5.   ?    Machlokes A&D.

On שבת is it Assur to do Hashakah with the water within a Kli in order to be Metaher the Kli as well.

1.   ?    Yes.
2.   ?    No.
3.   ?    Even water may not be Toveil.
4.   ?    Machlokes A&B.
5.   ?    Machlokes A&C.

What about Yom Tov?

1.   ?    Mutar.
2.   ?    Assur.
3.   ?    להשיק is Ok.
4.   ?    Machlokes A&B.
5.   ?    Machlokes B&C.