It is possible. However, if it's not being used for a purpose which falls under the FMCSA's exemption for requiring a CDL, you will need to acquire a CDL first.
Assuming you're referring to a Volvo VNL 780 truck, with the double bunk sleeper, 12'6".
96 inches.
On the right side of the throttle pedal
If you have the double bunk sleeper, it should come up to about 12'6".
16,000 - 18,000, depending on specifics.
~17,500 - 19,000 lbs, depending on specifics.
Somewhere in the vicinity of 17,000 - 18,000 lbs.
Curb weight for a 780 is typically between 18,000 - 19,000 lbs.
There isn't a reservoir. Fluid goes directly into the transmission housing.
It depends on the truck ie;a volvo 780 burns 7.0 gallons in 10 hrs.
20,000 pounds give or take some depending on fuel
You'd have to contact Volvo customer service for this. IIRC, there were a couple different options for the 730 and 780.