minimum 8' in India standard 10' it can be more also
The difference between a gully trap drain and a floor drain is placement. A floor drain is in a floor, a gully trap drain goes on an external wall.
Generally, in the 4'-5' from floor range.
Standard is 12 inches to the center of the pipe from the finished wall.
Bookshelf or Satellite speakers are pretty standard for surround sound but they may require wall mounting or specific placement.
because it likes the smell of the floor or wall
18" standard, but 15" suggested if installing garbage disposal.
90 degrees
The piece of wood that goes in between the floor and wall is called a baseboard.
Unlike floor-mounted toilets, wall-mounted toilets can be installed with a rim height ranging from 15 ½" to 19 ½" to ensure optimal user comfort.
Yes vents can be in the floor instead of the wall.
As long as the floor: in other words, wall to wall.