Level Three (#2) Protecting Water Supply Module Test

Water that flows smoothly in a straight line is exhibiting:

At a temperature of 100⁰ F, 1 cubic foot of water weighs:

Quiet operation of a water supply system is in part ensured by:

The simplest form of backflow preventer is the:

To protect against back siphonage in high-hazard situations, such as hospitals, use special backflow preventers called:

Fixtures or outlets considered intermittent-demand items are typically in use for a period of no more than:

The water line supplying a swimming pool requires the installation of a(n):

An efficient water supply should provide, under peak demand conditions, adequate pressure to the:

Decreased pressure in a water supply system passing through fittings, meters, and other devices is referred to as:

Double-check valve assemblies provide heavy-duty protection in applications that are:

Increasing the temperature of water will:

The difference in elevation between the supply line and the system's highest fixture is called:

Dual-check valve backflow preventer assemblies are difficult for plumbers to remove, test, or replace because they:

Backflow of wastewater into the potable-water supply can cause:

Transient flow describes a situation in which water flow is:

Water flow rates calculated for the total supply system are expressed in gallons per:

A cross-connection becomes dangerous when there is a:

When there is a low-hazard risk of back-siphonage in hoses, some codes require the installation of a:

Plumbing codes require the installation of reduced-pressure zone principle backflow preventers in:

To prevent clogging by foreign matter in the water, many backflow preventers: