Text will be visible on all scales and it will adjust its size automatically.
Text will be visible in 1/8" scale only.
Text will not be visible in 1/8" scale.
I don't know.
You don't have to do anything, because the text will scale automatically according to the scale of the new View Port.
Click on "Sync Scale" and select 1/4"
Click on "Add/Delete scales" and add 1/4" scale to the object
I don't know