Deck 14: Water Supply

Question 1

Isolation valves should be tested at least:

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

Answer 1

A

Question 2

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

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

Answer 2

C

Question 3

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

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

Answer 3

A

Question 4

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

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

Question 5

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

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

Question 6

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

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

Question 7

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

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

Question 8

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

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

Question 9

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

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

Question 10

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

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

Question 11

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

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

Question 12

Storage tanks for water distribution systems are typically constructed of:

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

Question 13

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

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

Question 14

Most fire hydrants are made of:

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

Question 15

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

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

Question 16

Which means of moving water is used by most communities?

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

Question 17

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

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

Question 18

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

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

Question 19

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

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

Question 20

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

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

Question 21

All hydrants must be opened and closed to prevent damage.

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

Question 22

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

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

Question 23

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

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

Question 24

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

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

Question 25

Which of the following are critical to a water shuttle?

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

Question 26

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

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

Question 27

Fire hydrant markings can be used to designate:

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

Question 28

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

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

Question 29

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

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.

Question 30

Which of the following can be an alternative water supply?

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

Question 31

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

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

Question 32

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

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).

Question 33

Fire hydrants should be inspected and operated at least:

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

Question 34

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

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

Question 35

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

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.

Question 36

Dry hydrants are designed to supply at least:

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).

Question 37

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

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

Question 38

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

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.

Question 39

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

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.

Question 40

Knowledge of fire hydrant operation is necessary in order to:

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.