UPC Review 11/3

The code requirement for “an adequate supply of potable running water” is for _____.

• cleansing and sanitation

• protection of trap seals

• water-cooled equipment

• hydronic systems

Ballcocks in water closet tanks shall be installed so that the critical level of the water inlet is above the full opening of the overflow pipe at least _____.

• 1/2 inch

• 1 inch

• 3 inches

• 6 inches

Minimum height of the atmospheric vacuum breaker critical level above all downstream piping for lawn sprinkler system: _____

• 1 inch

• 6 inches

• 12 inches

• 24 inches

After allowing for friction and other pressure losses, the residual water pressure shall be at least _____.

• .433 psi

• 7.5 psi

• 15 psi

• 29 psi

The quantity of water required to be supplied to every plumbing fixture shall be represented by _____.

• gallons per minute

• feet per second

• fixture units

• available head pressure

Solder and fluxes used in piping systems conveying potable water are prohibited when the lead content exceeds _____ percent.

• 0.2

• 0.5

• 1

• 1.5

The maximum trap loading for a 3 inch trap is _____.

• one unit

• three units

• four units

• six units

The clearance required in front of a 2 inch cleanout shall not be less than _____.

• 6 inches

• 12 inches

• 18 inches

• 24 inches

The total number of fixture units at “A” is _____.

• 16

• 20

• 22

• 24

Which of the following is an approved method of protecting the water supply for a chemical dispenser?

• Double check assembly

• Air gap

• Check valve

• Not needed