Yes, the D55167 should work for this application.
The quick connect is a 1/4-NPT.
This is a belt driven compressor.
Yes, this unit is a continuous compressor.
No, but they make a vertical one with the same specs. and price
they play a word game with the 78 db rating, it says 78 db outside, so there isn't all the noise rebounding off the wall etc. like shoot a gun outside, then try it inside (not recommended for safety of course) your ears would really hurt inside. The quietest air compressor is a 2 stage with an oil bath
No, this compressor does not have an induction motor.
Please contact DEWALT at 1-800-433-9258 for further assistance.