The type of waste disposal system used by most residential dishwashers is called _____.
a. continuous
b. pump-out
c. directional tee
d. siphon
Question 2
The waste passageways of reverse-trap waters closets are _____.
a. 1-1/2 inches in diameter
b. 2 inches in diameter
c. 2-1/2 inches in diameter
d. 3 inches in diameter