Ifsta 6 Wfa Ch.14 Water Supply

Front 1

Which type of water supply system may provide water under contract to a municipality, region, or single property?

Back 1

A. Public system
B. Private system
C. Natural system
D. Industrial system

Hint 1

B. Private system

Front 2

Which of the following is a natural freshwater source that may be used for water supply?

Back 2

A. River
B. Ocean
C. Swimming pool
D. Water treatment facility

Hint 2

A. River

Front 3

How is the amount of water needed for domestic use and fire protection calculated?

Back 3

A. Based on minimum daily water consumption
B. Based on anticipated needs and fire protection daily usage
C. Based on averages and maximum daily water consumption
D. Based on history of consumption and estimates of anticipated needs

Hint 3

D. Based on history of consumption and estimates of anticipated needs

Front 4

Which of the following may limit the use of water treatment facilities for fire fighting operations?

Back 4

A. Natural disaster
B. Normal daily usage
C. Inadequate water pressure
D. Rate at which impurities are removed

Hint 4

A. Natural disaster

Front 5

Which means of moving water delivers water from the source or treatment plant to the distribution system without pumping equipment?

Back 5

A. Gravity system
B. Pumpless system
C. Combination system
D. Direct pumping system

Hint 5

A. Gravity system

Front 6

Which means of moving water is used by most communities?

Back 6

A. Gravity system
B. Pumpless system
C. Combination system
D. Direct pumping system

Hint 6

C. Combination system

Front 7

Which of the following determines the ability of a water system to deliver a sufficient quantity of water at an adequate pressure?

Back 7

A. Piping
B. Storage tanks
C. Isolation valves
D. Fire hydrant locations

Hint 7

A. Piping

Front 8

Which type of piping are intermediate pipes that interconnect with primary feeder lines to create a grid?

Back 8

A. Distributors
B. Control valves
C. Primary feeders
D. Secondary feeders

Hint 8

D. Secondary feeders

Front 9

Which type of piping serve individual fire hydrants and commercial and residential consumers?

Back 9

A. Distributors
B. Control valves
C. Primary feeders
D. Secondary feeders

Hint 9

A. Distributors

Front 10

What is the minimum size pipe typically used to ensure adequate quantities of water through a water distribution system?

Back 10

A. 6-inch (150 mm)
B. 8-inch (200 mm)
C. 10-inch (250 mm)
D. 12-inch (300 mm)

Hint 10

B. 8-inch (200 mm)

Front 11

Storage tanks for water distribution systems are typically constructed of:

Back 11

A. steel.
B. brass.
C. copper.
D. cast iron.

Hint 11

A. steel.

Front 12

Which of the following are used to isolate sections for maintenance and repair?

Back 12

A. Control valves
B. Primary valves
C. Isolation valves
D. Secondary valves

Hint 12

C. Isolation valves

Front 13

Isolation valves should be tested at least:

Back 13

A. once a year.
B. twice a year.
C. once a month.
D. every other year.

Hint 13

A. once a year.

Front 14

Which type of indicating valve is a hollow metal post that houses the valve stem?

Back 14

A. Backflow valve
B. Waterflow valve
C. Post indicator valve
D. Outside stem and yoke

Hint 14

C. Post indicator valve

Front 15

Which of the following are located between public water supply distribution systems and private water supply distribution systems?

Back 15

A. Primary valves
B. Control valves
C. Isolation valves
D. Secondary valves

Hint 15

B. Control valves

Front 16

In high-value districts, fire hydrants should not be spaced more than ___ apart.

Back 16

A. 300 feet (100 m)
B. 350 feet (105 m)
C. 400 feet (120 m)
D. 450 feet (135 m)

Hint 16

A. 300 feet (100 m)

Front 17

Which of the following reduces the volume and pressure of water available from hydrants?

Back 17

A. Friction loss
B. Pressure loss
C. Water hammer
D. Pressure decline

Hint 17

A. Friction loss

Front 18

Which of the following are the most dependable water source for firefighters?

Back 18

A. Water mains
B. Fire hydrants
C. Private water supplies
D. Alternative water supplies

Hint 18

B. Fire hydrants

Front 19

Most fire hydrants are made of:

Back 19

A. steel.
B. brass.
C. bronze.
D. cast iron.

Hint 19

D. cast iron.

Front 20

The male threads on fire hydrant discharge outlets must conform to:

Back 20

A. NFPA® 1001.
B. NFPA® 1963.
C. those used by neighboring jurisdictions.
D. those used by the local fire department.

Hint 20

D. those used by the local fire department.

Front 21

Which type of fire hydrants are designed for use in climates that have freezing temperatures?

Back 21

A. Dry-barrel hydrants
B. Wet-barrel hydrants
C. Cold-weather hydrants
D. Warm-weather hydrants

Hint 21

A. Dry-barrel hydrants

Front 22

Fire hydrant markings can be used to designate:

Back 22

A. flow capacity.
B. typical water pressure.
C. distance from the next hydrant.
D. distance from nearest fire department.

Hint 22

A. flow capacity.

Front 23

Fire hydrant tops and discharge caps should be painted as required in:

Back 23

A. NFPA® 71.
B. NFPA® 291.
C. NFPA® 524.
D. NFPA® 1963.

Hint 23

B. NFPA® 291.

Front 24

Fire hydrants should be inspected and operated at least:

Back 24

A. once a year.
B. twice a year.
C. once every other year.
D. once every five years.

Hint 24

B. twice a year.

Front 25

Knowledge of fire hydrant operation is necessary in order to:

Back 25

A. provide water to water treatment plants.
B. provide water to community storage tanks.
C. flow water to test hydrant pressure and capacity.
D. flow water from hydrant discharge openings to flush sediment.

Hint 25

D. flow water from hydrant discharge openings to flush sediment.

Front 26

When operating a wet-barrel hydrant, which step should be performed FIRST?

Back 26

A. Ensure that the valve is shut.
B. Attach a hose to the discharge outlet.
C. Tighten discharge caps that will not be used.
D. Check that discharge caps are free of debris.

Hint 26

A. Ensure that the valve is shut.

Front 27

Which of the following statements regarding the operation of dry-barrel hydrants is MOST accurate?

Back 27

A. If not closed fully, the drain may be left partially open.
B. If not opened fully, the drain may be left partially open.
C. Water remaining in the hydrant barrel evaporates naturally.
D. Water remaining in the hydrant empties through discharge caps.

Hint 27

B. If not opened fully, the drain may be left partially open.

Front 28

All hydrants must be opened and closed ___ to prevent damage.

Back 28

A. slowly
B. quickly
C. partially
D. at least twice

Hint 28

A. slowly

Front 29

What potential problems should be looked for when inspecting fire hydrants?

Back 29

A. Wet rings around discharge caps
B. Peeling paint on hydrant bonnets
C. Damp ground surrounding hydrant
D. Hydrants painted by water department

Hint 29

C. Damp ground surrounding hydrant

Front 30

Which of the following can be an alternative water supply?

Back 30

A. Public lagoon
B. Farm stock tank
C. Small, shallow stream
D. Wastewater treatment plant

Hint 30

B. Farm stock tank

Front 31

A drafting operation will require a minimum of ___ inches (mm) of water above and below the hard intake strainer.

Back 31

A. 6 (150)
B. 12 (300)
C. 24 (600)
D. 36 (900)

Hint 31

C. 24 (600)

Front 32

Drafting hydrants are designed to supply at least:

Back 32

A. 250 gpm (1 000 L/min).
B. 500 gpm (2 000 L/min).
C. 750 gpm (3 000 L/min).
D. 1,000 gpm (4 000 L/min).

Hint 32

D. 1,000 gpm (4 000 L/min).

Front 33

Which of the following statements regarding rural water supply operations is MOST accurate?

Back 33

A. They require frequent practice.
B. They are only necessary in rural areas.
C. They are simple to perform and require little planning.
D. They require at least three municipal fire departments.

Hint 33

A. They require frequent practice.

Front 34

Which of the following involves hauling water from a supply source to the incident scene?

Back 34

A. Water shuttle
B. Relay pumping
C. Supply operation
D. Pumping operation

Hint 34

A. Water shuttle

Front 35

Which of the following are critical to a water shuttle?

Back 35

A. Extra-large portable tanks
B. Adequate supplies of hoseline
C. Fast-fill and fast-dump capabilities
D. Newest model of pumping apparatus

Hint 35

C. Fast-fill and fast-dump capabilities

Front 36

Which of the following is generally located near the actual fire or incident? (

Back 36

A. Fill site
B. Dump site
C. Relay apparatus
D. Pumping apparatus

Hint 36

B. Dump site

Front 37

Which of the following statements regarding the placement of portable tanks is MOST accurate?

Back 37

A. They should be placed on firm, rocky terrain for best results.
B. They should be placed so that the drain is located near the drafting tank.
C. They should be located so that only one apparatus can off-load at a time.
D. They should be placed so that the drain is located on the down-hill side of the tank.

Hint 37

D. They should be placed so that the drain is located on the down-hill side of the tank.

Front 38

Which of the following should be used to calculate water supply volume?

Back 38

A. Fill time and dump time
B. Fill time and travel time
C. Fill time, travel time, and dump time
D. Travel time, refill time, and refueling time

Hint 38

C. Fill time, travel time, and dump time

Front 39

NFPA® 1901 requires that mobile water supply apparatus on level ground be capable of dumping or filling at rates of at least:

Back 39

A. 1,000 gpm (4 000 L/min).
B. 1,500 gpm (6 000 L/min).
C. 2,000 gpm (8 000 L/min).
D. 2,500 gpm (10 000 L/min).

Hint 39

A. 1,000 gpm (4 000 L/min).

Front 40

During relay pumping, which apparatus should be located at the water source?

Back 40

A. Apparatus with the largest tank
B. Apparatus with the greatest pumping capacity
C. Apparatus with the fastest dumping capabilities
D. Apparatus with the most amount of supply hose

Hint 40

B. Apparatus with the greatest pumping capacity