Is there a higth limit for rides

I have never seen a height "limit" but there are height minimums for many rides, starting around 35" or so for some of the kid ones. If you are exceptionally tall, you may just need to ask about limits.

Yes. You can check the Disneyland website for height requirements.

Yes there are height limits on most of the rides..to ensure the safety of there guests..

Yes

Yes. Check each ride..

Yes, they need to ensure the safety bar will keep people in their seats

Download the app it gives you info on all rides including wait time and height limits

Yes for some