Both are round and hollow. Both are used for drainage and water supply. Both can be joined with rubber gaskets.
No hub coupling
Only if you have leaks or problems.
As far as I know PVC is illegal in New York and Chicago.
You don't, you remove the plastic junk and replace the toxic plasatic with cast iron
If you are screwing in -- yes -- If not -- you do not use pipe dope
Term used with cast-iron, PVC, CPVC and ABS pipe. Cast-Iron; The plain end of a cast-iron pipe. The spigot is inserted into the bell end of the next pipe to make a water tight joint. PVC, CPVC or ABS; A male end of a fitting the same size as the pipe that is inserted into the slip (hub) end of a fitting.
two hundred dollars
Male to female threaded adapters.
Yes, it is possible. Unfortunatly, if you have a cast iron riser, you will have to chip out the concrete to get low enough to cut the riser to install a Clamp-all and a piece of PVC pipe. This might not be possible if you have a short riser. Then you would have to cut the cast iron behind the 90 degree turn. Either way, it's a pain in the butt. Call a plumber. It will be worth it.
PVC plastic is one type of pipe that does not contain iron.
Schedule 40 PVC pipe. Legal in all residential and up to 3 story commercial applications.
Not exactly, but you can still connect them with proper fittings.