A standard bathtub is _____. (Multiple Choice)

A standard bathtub is _____.
 
  a. 4 feet long
  b. 5 feet long
  c. 6 feet long
  d. 7 feet long

 Q. 2

Depending on your local code, three options for venting a dishwasher are to install an air gap assembly in the
  discharge piping; to loop the drain hose above the fixtures flood-level rim; or, to _____.
 
  a. connect a discharge hose from a food disposal through a single 2 -1/2 inch trap
  b. install a reverse trap on the discharge piping
  c. connect a discharge hose from a kitchen sink or domestic dishwasher through a single 1 -1/2 inch trap
  d. run a separate vent line from the dishwasher through the building roof