Waste Stack Vent minimum 1-1/2" size required receiving the discharge _ DFUs at each of 3 branch intervals

• 1
• 2
• 3
• 4

The sign at non-potable water outlets shall have letters at least __________ inch high on a contrasting background.

• 1"
• 3/4"
• 1/2"
• 3/8"

Substances that damage the sewer system are prevented from entering the drainage system by __________ .

• filters
• strainers
• traps or backwater valve
• interceptors or separators

What is the minimum size for a stack vent serving a 21/2-inch waste stack?

• 1-1/4 inches
• 1-1/2 inches
• 2 inches
• 2-1/2 inches

A shower liner must extend __________ inches above the threshold on all sides

• 2
• 3
• 1.5
• 2.5

Freezeproof yard hydrants that drain the riser into the ground __________ .

• Are prohibited
• Are permitted when identified as non potable
• Are not considered to be stop and waste valves
• Require integral backflow prevention

A solvent-cement joint between ABS and PVC plastic piping is __________.

• prohibited
• permitted in above ground locations only
• permitted with yellow primer complying with ASTM D3138
• permitted only where the building drain connects to the building sewer

If approved, the travel distance to an employee toilet room may exceed 500 feet in a _.

• stadium
• covered mall
• warehouse
• factory

The board cannot rule on an appeal based on __________.

• the provisions of the code do not fully apply
• a code requirement should be waived
• the rules have been incorrectly interpreted
• a better form of construction is proposed

A private bathroom with a 1.6 gpf WC, LAV., shower, bidet and FD. has a total DFU value of __________.

• 5
• 7
• 9
• 10