Water Supply Review

atmospheric vacuum breaker must be installed with the C-L a min. of __" above the overflow rim

A gravity feed system is significantly more expensive than a forced pressure system.

A control valve is required at each water-supplied piece of mechanical equipment.

Relief valves should be tested ___.

A(n) ___ water heater is a nonstorage water heater that heats and dispenses water at the point of use.

Pressure according to the height of a liquid is called ___.

backflow prevention assembly less than 5' from the floor must be provided a permanent platform.

Schedule 40 PVC pipe and fittings are ___.

The most commonly used types of insulation for hot water piping is fibrous glass and flexible tubing insulation.

Pipe size normally is specified by two indicators: ___ and schedule.

The term aqueduct or water bridge applies to any bridge or viaduct that transports water across a hollow or valley.

To offset power use and water demand times, water storage areas should be filled ___.

Airgap separation must always be a minimum of ___".

Turbidity is a measure of the acidity of a liquid.

Gate valves are used to isolate main distribution lines, trunk lines, and branch lines.

An increase in the volume of water produced by thermal expansion creates a rise in _______.

Protection against vacuum conditions within a water heater is required by plumbing codes.

A dead end piping network is sometimes called a tree network.

Trench boxes are used for stable or unstable soil.

Heating potable water for domestic purposes, as bathing & cleaning is a relatively new practice

_______ pressure is the pressure available under full flow conditions.

maximum water pressure in a building water supply system is 150 psi.

Reclaimed water is most commonly used as ___ water.

Velocity in a water supply system is affected by the demand at the point of use, the capacity of the supply system

PE-AL-PE pipe 1/2" to 1" should have horizontal above ground supports at ___" intervals.

A water inlet tube inside a water storage tank or reservoir to convey the incoming water to or near the bottom of tank

A ___ valve consists of a rotating disc that seats against a resilient material within the valve body.

The manufacture of nominal pipe sizes from 1/8" to 12" is based on the outside diameter of pipe

The ___ is the pipe segment from the meter to the first tee in the system and is sized using the total demand WSFUs.

___ water is wastewater from fixtures that comes in contact with or contains fecal matter or food solids.