No the compressor is not designed to work that way. For any other questions please call us at 949-585-0011.
Yes threaded to accept a quick fitting.
It is rated to 120 psi so it shouldn't have a problem airing a tire to 100 psi. The time it takes depends on the size of the tire being inflated.
I don't expect you're still waiting for an answer after a whole year, but at 40 dBA, you shouldn't have to raise your voice to be heard over the sound. See http://www.noisehelp.com/noise-level-chart.html.