UPC Chapter 10

Each plumbing fixture, except for those having integral traps, shall be ______.

• Separately trapped by an approved liquid seal trap
• Drained by means of an indirect waste line
• Connected directly to the building drain without a trap
• Illegal and should not be used

One trap may serve a set of not more than ______ single compartment sinks.

• Two
• One
• Three
• Four

A food waste disposal unit installed in restaurant, commercial, or industrial sinks ______. 

• May share a common trap
• Must be individually trapped
• Should be indirectly wasted
• Need not be trapped

The maximum vertical distance for a tailpiece allowed between a fixture and the trap weir is ______ inches.

• 6
• 12
• 18
• 24

Each plumbing fixture trap shall be protected against siphonage and backpressure by a _______.

• Sanitary tee
• Vent pipe
• Air admittance device
• Backflow preventor

A trap arm smaller than 3 inches may change direction without a cleanout if the change in direction does not exceed ______ degrees.

• 30
• 45
• 90
• 180

The vent pipe opening from a soil or waste pipe, except for water closets and similar fixtures, ________.

• May be below the trap weir
• Shall not be below the weir of the trap
• Must be below the weir of the trap 
• Does not need a vent

The maximum horizontal distance a trap arm shall be from the trap to the vent opening for a 2 inch trap is _______ feet.

• 3
• 5
• 6
• 10

Each trap, except for traps within interceptors or similar devices, _______.

• Shall be self-cleaning
• Shall be one pipe size smaller than the fixture outlet
• Shall have a cleanout on the bottom of the trap
• Need not be vented

No more than ______ approved slip joint fittings may be used on the outlet side of a trap.

• one
• two
• three
• four