Quote Originally Posted by hvacrmedic View Post
In your estimation, would the OP be ready for a discussion about TXV's that don't maintain constant superheat? What I'm getting at is that, if a student doesn't yet understand evaporative cooling, which you assumed when you introduced the wet finger scenario, then misbehaving TXV's might be a little too much for that student, eh? Isn't it likely that such a student may not even know what a TXV is? Where's the logical progression in that essay?

Now how did that feel? Ditto! It isn't up to you to decide what a student is ready for. Not that it even matters what the OP is ready for. This isn't his classroom, its a forum.
You wanted to know where my previous post was coming from and its relevence to the thread.