IPC 7B

01. Where a floor drain receives only clear-water waste from coolers and freezers, the floor drain is assigned a value of __________ drainage fixture unit(s).

• a. 1/2
• b. 0
• c. 1
• d. 2
• Pluto

02. A 4-inch diameter building drain installed with a slope of 1/4 inch per foot has a capacity to receive the discharge of no more than __________drainage fixture units (dfus).

• a. 180
• b. 216
• c. 250
• d. 160

03. For a 2-inch horizontal branch drain less than 30 feet long, a __________ connected upstream of the drain is permitted to serve as a cleanout for the drain.

• a. 1-1/4-inch slip joint P-trap
• b. 11/2-inch bathtub overflow outlet
• c. 11/2-inch slip joint P-trap
• d. 2-inch shower waste outlet

04. The drainage fixture unit load from a clinical sink with a 3-inch fixture outlet is

• a. 1
• b. 2
• c. 3
• d. 5

05. A sump pump with a discharge capacity of 10 GPM that discharges to the drainage system through a 2-inch indirect waste receptor has a computed drainage fixture unit

• a. 3
• b. 10
• c. 20
• d. 42

06. A private bathroom with a 1.6 gpf water closet, lavatory, shower, bidet and floor drain has a total drainage fixture unit value of __________.

• a. 5
• b. 7
• c. 9
• d. 10

07. The minimum size of any building drain serving a water closet is __________ inches.

• a. 3
• b. 4
• c. 2
• d. 21/2

08. A vertical distance of __________ feet or more between the connections of horizontal branches to a drainage stack is a branch interval.

• a. 7
• b. 8
• c. 9
• d. 10

09. In a building with a basement subdrain sump, __________ is prohibited from discharging to the sump.

• a. subsoil drainage
• b. drainage from soil pipes
• c. waste from laundry fixtures
• d. drainage above the gravity sewer

10. A __________ is not required for a sewage sump and ejector.

• a. pump alarm
• b. vent
• c. check valve
• d. full open valve