Inspector Chapter 11

Question 1

Lakes, Reservoirs, ponds, rivers, streams, aquifers, wells, or springs:

Answer 1

Water Supply Sources

Question 2

Purification or desalination Plants:

Answer 2

Processing or Treatment facilities

Question 3

These are responsible for the movement of water:

Answer 3

Pumps

Question 4

Storage tanks, control valves, piping systems, and hydrants are examples of:

Answer 4

Water Distribution and Storage Systems

Question 5

The part of an overall water supply system that receives the water from a water source and delivers it by means of pumps or gravity to the area to be served.

Answer 5

Distribution System

Question 6

Historically, many significant fire losses can be traced, at least in part, to the failure of a _____ that municipal fire departments have used at an incident.

Answer 6

Private Water Supply System

Question 7

A _____ may be an open lake or pond or an enclosed structure similar to a tank.

Answer 7

Reservoir

Question 8

_____ are located at ground level and provide a water supply source for fire pumps.

Answer 8

Suction Tanks

Question 9

_____ can be used for limited private fire protection systems.

Answer 9

Pressure Tanks: They contain water under air pressure that is released when the system requires it.

Question 10

Pressure tanks should be provided with:

Answer 10

Low/high water level and air-pressure supervision gauges or devices.

Question 11

_____ are used to stabilize or balance the pressures on distribution systems at the times of peak demands.

Answer 11

Gravity Tanks

Question 12

A Gravity tank has to be ____ hight to generate a pressure of _____.

Answer 12

100 Feet; 43 psi

Question 13

Three methods for moving water through a water system are:

Answer 13

Gravity, Direct pumping, and a combination system using both direct pumping and gravity

Question 14

Water supply system that relies entirely on the force of gravity to create pressure and cause water to flow through the system.

Answer 14

Gravity System

Question 15

Water supply system supplied directly by a system of pumps rather than elevated storage tanks.

Answer 15

Direct Pumping System

Question 16

Water supply system that is a combination of both gravy and direct pumping systems.

Answer 16

Combination System

Question 17

Most communities use a _____.

Answer 17

Combination System

Question 18

The _____ consists of a network of pipes, storage tanks, control valves, and hydrants throughout the community or service area that carry the water under pressure to the point of use.

Answer 18

Water Distribution System

Question 19

The term(s) _____ or _____ describe the interlocking network of water mains that compose a water distribution system.

Answer 19

Grid/Gridiron

Question 20

A principal pipe in a system of pipes for conveying water, especially one installed underground.

Answer 20

Water Main

Question 21

Large pipes, also known as arterial mains, with relatively widespread spacing:

Answer 21

Primary Feeders

Question 22

Fire Hydrants are rarely attached directly to these:

Answer 22

Primary Feeders

Question 23

Intermediate pipes that interconnect with the primary feeder lines to create a grid.

Answer 23

Secondary Feeders.

Question 24

_____ can isolate each secondary feeder.

Answer 24

Control Valves

Question 25

Small water mains that serve individual fire hydrants and commercial/residential consumers.

Answer 25

Distributors

Question 26

The ____ or _____ system is designed to provide constant pressure or flow when pipes or the grid need repair.

Answer 26

Grip or Loop

Question 27

Valves should be exercised at least _____ to verify that they are in good working conditions.

Answer 27

Once a Year

Question 28

Valves in water systems are usually _____ and located udnergound.

Answer 28

Nonindicating

Question 29

Control valve with a solid plate operated by a handle and screw mechanism; rotating the handle moves the plate into or out of the waterway.

Answer 29

Gate Valve

Question 30

Control valve that uses a flat circular plate in a pipe that rotates 90 degrees across the cross section of the pipe to control the flow of water.

Answer 30

Butterfly Vavle

Question 31

Hydrants are required to have at least one large _____ or _____ outlet, often referred to as the steamer connection or pumper outlet connection.

Answer 31

4- or 4 1/2 inch.

Question 32

Large-diameter outlet, usually 4 1/2 inches, at a hydrant or at the base of an elevated water storage container.

Answer 32

Steamer Connection.

Question 33

A hydrant is required to have two outlet nozzles for _____ couplings.

Answer 33

2 1/2 inch.

Question 34

Hydrant inspections should occur at least:

Answer 34

Once a year.

Question 35

Hydrants may be painted _____ to indicate that contain nonpotable water.

Answer 35

Violet

Question 36

Pressure remaining at a given point in a water supply system while water is flowing:

Answer 36

Residual Pressure

Question 37

Pressure at a given point in a water system when no water is flowing:

Answer 37

Static Pressure

Question 38

Tests that are repeated at the same locations _____ may reveal a loss in the carrying capacity of water mains, closed or partial closed valves, and a need for improving certain arterial mains.

Answer 38

Semiannually

Question 39

Instrument that is inserted into a flowing fluid to measure the velocity pressure of the stream

Answer 39

Pitot Tube

Question 40

Fire hydrant: The clearance between the bottom of the butt (discharge outlet) and the grade should be at least:

Answer 40

15 inches

Question 41

When using a Pitot tube to test water flow pressure, the blade should be placed into the stream and be approximately _____ away.

Answer 41

One-half the diameter of the opening.

Question 42

Generally, _____ outlets should be used to conduct hydrant flow tests.

Answer 42

2 1/2 inch

Question 43

Fire hydrant used during a fire flow test to read the static and residual pressures

Answer 43

Test Hydrant

Question 44

Fire hydrant from which the water is discharged during a hydrant fire flow test.

Answer 44

Flow hydrant

Question 45

In general, the test hydrant should be located where? (single hydrant)

Answer 45

Between the flow hydrant and the water source.

Question 46

In general, the flow hydrant should be wehre? (single hydrant)

Answer 46

Downstream of the test hydrant.

Question 47

When flow testing multiple hydrants, the test hydrant should be located:

Answer 47

Centrally located relative to the flow hydrants

Question 48

Amount of pressure that is expected to be available from a hydrant, prior to pumping:

Answer 48

Normal Operating Pressure

Question 49

When testing available water supply, enough hydrants should be opened to drop the static pressure:

Answer 49

10%

Question 50

For more accurate results of testing water supply, hydrants should be opened to drop the static pressure:

Answer 50

25%

Question 51

Growths, crusts, tubercular lump corrosion, or rust on the side walls of water mains:

Answer 51

Encrustations

Question 52

Mud, clay, leaves, or other foreign matter, dead organisms, and decayed vegetation found mostly in the bottom of water mains:

Answer 52

Sedimentation Deposits

Question 53

The _____ is a logarithmic scale developed to simplify the process of determining available water in an area.

Answer 53

Fire Flow Chart