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Name: _____________________________ Date: _______________________

Directions: Write the letter of the best answer on the blank before each statement.

1. ______ What is the term for locations from which an engine can draft out of a static water supply source?

Drafting/fill sites

Standpipes

Source locations

Relay origins

2. ______ Almost any static source of water can be used for drafting if it is:
A.	very shallow and very clean.
B.	flowing and does not contain salt water.
C.	sufficient in quantity and is not contaminated.
D.	in a portable tank and contains only moderate contaminates.

3. ______ Before opening a portable tank, a __________ should be placed on the ground to help protect the liner once water is dumped into it.

low-level strainer

water shuttle

large sheet of plastic

heavy tarp.

4. ______ Portable water tanks should be positioned in a location that allows easy access from:

multiple directions.

only one direction.

the windward side.

the leeward side.

5. ______ There are four basic methods by which tankers unload water. Which of the following

is not one of these methods?

Gravity dumping

Low-level intakes

Jet dumps

Pumping off water

6. ______ Jet dumps __________ the flow rate of any dump valve.

retard

inhibit

increase

decrease

7. ______ Water supply is one of the most critical elements of firefighting because:
A.	of the great expense in obtaining it.
B.	water is the most common extinguishing agent.
C.	water freezes at high temperatures.
D.	of its ability to suffocate a fire.

8. ______ The term for an arrangement of water mains that delivers water to hydrants from more than one direction at the same time is a:

grid.

matrix.

nexus.

web.

9. ______ Which of the following statements is incorrect regarding why water is the most common extinguishing agent?
A.	It is readily available.
B.	It has the ability to absorb large quantities of heat.
C.	It is expensive.
D.	Its expansion ratio.

10. ______ Sometimes the hydrant is color-coded. What do these color codes indicate?
A.	The size of the discharges
B.	Whether they are wet-barrel or dry
C.	Whether they have ANSI threads or SIMI
D.	The available flow from the hydrant

11. ______ The smallest pipes in a water distribution system which deliver the water finally to the homes and hydrants on individual streets are called:

capillaries.

promontory.

distributors.

cross mains.

12. ______ Tenders combined with __________ can efficiently provide large volumes of water to a fire ground operation.

large diameter hose

automatic nozzles

portable water tanks

ladder trucks

13. ______ The most common water distribution system is a __________ system.

pumped

combination pumped/gravity

gravity

tender shuttle

14. ______ Which of the following statements regarding dead-end water mains is incorrect?
A.	Connecting to a dead-end main may not provide adequate water.
B.	Two units on the same dead-end main may rob water from each other.
C.	Dead-end mains provide the most volume in the system.
D.	Where possible, firefighters should avoid using them.

15. ______ The two major hydrant types are:

wet barrel and dry barrel.

high-pressure and low-pressure.

ground water and surface water.

treated water and untreated water.

16. ______ Which of the following statements regarding wet barrel and dry barrel hydrants is incorrect?
A.	Dry barrel hydrants are used in areas where freezing temperature could damage the hydrant.
B.	Wet barrel hydrants have water in the barrel up to the valves of each outlet.
C.	Dry barrel hydrants use a valve at the base to control water flow to all outlets.
D.	Wet barrel hydrants are commonly used in the northern parts of the United States.

17. ______ Which of the following statements regarding rural water supply operations is correct?
A.	Rural water supply operations require careful coordination and control.
B.	A water supply officer should be part of the incident command system with full authority over tender operations.
C.	Firefighters assigned to water supply operations may find this task less glamorous than actual firefighting.
D.	All of the above.

18. ______ Residual pressure is:
A.	the pressure in the system with no hydrants or water flowing.
B.	the pressure in a system after water has begun flowing.
C.	the level of ground water under the surface.
D.	a device that speeds the unloading of water from a tender.

19. ______ On a dry barrel hydrant the valve that controls water flow to all outlets is

located __________ of the hydrant.

at the top

on the side

at the base

by each outlet

20. ______ Dump site selection should be based on:

access to hydrants.

turn-around area for the tenders.

the size of available mains.

the location of the fill site.

21. ______ What step should not be taken when attempting to lower shuttle time?
A.	Increase efficiency of personnel at fill site.
B.	Increase vehicle speed on highway during shuttle operations.
C.	Increase efficiency of personnel at dump site.
D.	Use jet dumps to increase dumping time.

22. ______ The device that speeds the process of dumping a load of water from a tender is a:

gravity siphon.

special pump.

jet dump.

portable water tank.

23. ______ Flowing capacity of a hydrant is:
A.	the force or weight of a substance, usually water, measured over an area.
B.	the amount of water available or amount that the water distribution system is capable of flowing.
C.	a measure comparing the amount of heat the fire is capable of generating vs. the amount of water required for cooling the fuels below their ignition temperature.
D.	length x width = gallons per minute required for effective fire suppression.

24. ______ Water supply and distribution systems should be designed to meet the community's

needs for consumer use and:

reserve needs.

agricultural needs.

fire protection.

recreational needs.

25. ______ In general, the largest diameter pipes in a distribution system are the:

branch lines.

primary feeder lines.

secondary feeder lines.

distribution lines.

26. ______ There are three sources from which fire fighters can obtain water; one of those is a:

municipal water system.

modular water system.

negative pressure system.

centrifugal system.

****27. ______ The pipes that make up the distribution grid in a water system are called:

filler pipes.

water mains.

re-circulators.

drain fields.

28. ______ Tenders combined with __________ can efficiently provide large volumes of water to a fire ground operation.

large-diameter hose

automatic nozzles

portable water tanks

ladder trucks

29. ______ What device speeds the process of dumping a load of water from a tender?

Jet pump

Pitot gauge

dump/valve

Venturi pump

30. ______ When the water source does not have adequate elevation to create proper pressure for gravity flow, it is necessary to use:

larger size pipes in the mains.

pumps to raise the system's pressure.

computer-controlled pressure regulators.

negative coefficient of friction loss.

31. ______ In high-value districts:
A.	hydrants should be placed no more than 200 feet apart.
B.	hydrants should be located so that spacing does not exceed 300 feet.
C.	one hydrant should be placed at least every 500 feet and at or near the midpoint of each 500 feet.
D.	at least one hydrant should be placed in front of or beside each building over two stories.

32. ______ The full name of a PIV is __________ valve.

position-indicator

post-indicator

plant-indicator

positive-indicator

33. ______ The full name of an OS&Y valve is __________ valve.

open stem and yoke

outside, shut, and yoke

outside shield and yoke

outside screw and yoke

34. ______ When a fire hydrant receives water from two or more directions, it is said to have a _______ feed.

compound

circulating/loop

compensating

primary/distribution

35. ______ Water wells and springs are considered what type of water supply?

Surface water supply

Ground water supply

Lake supply

River supply

36. ______ Direct pumping water systems are those in which water:
A.	moves directly into the distribution system by gravity flow.
B.	is supplied directly into the distribution system from elevated storage tanks.
C.	is pumped directly into the distribution system with no elevated storage.
D.	is pumped directly through the distribution system back into the main water supply.

37. ______ NFPA recommends fire hydrants flowing 1,500 gpm or greater be color coded:

red.

light blue.

green.

orange.

38. ______ In a water supply system, the size of the water mains from the largest to the smallest are:

primary, distributor, secondary.

distributor, secondary, primary.

secondary, primary, distributor.

primary, secondary, distributor.

39. ______ Which of the following violates the principle of a loop feed hydrant?

Primary feeders

Secondary feeders

Interconnecting distributors

Dead-end water mains

40. ______ In residential areas, the recommended fire hydrant supply main should be at least _____ inches when part of the grid system.

2-1/2

41. ______ __________ pressure is defined as the normal pressure existing on a system before a hydrant is opened.

Residual

Static

Velocity

Flow

42. ______ Residual pressure is defined as:
A.	stored potential energy available.
B.	that part of the total available pressure that is not used to overcome friction or gravity.
C.	forward velocity pressure at the point of discharge.
D.	the minimum pressure required in a residential area.

43. ______ The forward velocity pressure at a discharge opening that is recorded by a pitot tube and gauge while water is flowing is known as __________ pressure.

flow

static

normal operating

residual

44. ______ The usual pressure on a water distribution system during periods of ordinary consumption demand is known as __________ pressure.

normal operating

residual

atmospheric

static

45. ______ The types of valves found in water supply distribution systems are:
A.	indicating and non-indicating.
B.	ball and check.
C.	in-line and flow.
D.	all of the above.

46. ______ Which of the following is not one of the component parts of a dry-barrel fire hydrant?

Operating stem

Stem nut

Post-indicator gate

Drain hole

47. ______ Which of the following is not a component of a grid system?

Primary feeders

Secondary feeders

Distributors

Risers

48. ______ The following illustration depicts a __________ hydrant.

dry-barrel

wet-barrel

drafting

dry

49. ______ Which of the following is not one of the three common systems for water

system distribution?

Artesian

Direct pumping

Gravity

Combination

50. ______ The four fundamental components of a modern water system are:
A.	source, mains, feeders, and risers.
B.	primary, secondary, standpipes, and subscriber connections.
C.	pipes, valves, hydrants, and pumps.
D.	source, means of moving, treatment plant, and distribution system.

51. ______ A fire hydrant that receives water from only one direction is called a __________ hydrant.

one-way

steamer

circulating-feed

dead-end

52. ______ The smaller internal grid arrangement of a water distribution system that feeds hydrants, as well as the domestic and commercial requirements, best describes:

primary feeders.

secondary feeders.

distributors.

grid network.

53. ______ Large pipes that carry large quantities of water to various points along the water supply system for distribution to smaller mains best defines:

primary feeders.

secondary feeders.

distributors.

grid network.

54. ______ The following illustration depicts a __________ hydrant.

dry-barrel

wet-barrel

drafting

dry

55. ______ A network of intermediate-sized pipe that reinforces the overall grid system by forming loops that interlock primary feeders best defines:

primary loop.

secondary feeders.

distributors.

grid network.

56. ______ Which of the following pressures can be measured by a pitot tube?

Static

Normal operating

Residual

Flow

57. ______ A flow test from a fire hydrant will reveal:
A.	a hydrant's coefficient of discharge.
B.	how much flow pressure is available.
C.	how much water will flow from any hydrant in the grid at any given time.
D.	the size of the main on which that particular hydrant is installed.

58. ______ Directions: Read the statements below; then select your answer from alternatives A through D below. Statement 1: Flow pressure is only measured through a nozzle. Statement 2: Static pressure is stored potential energy available to move water through pipes, hoses, fittings, and adapters. Statement 3: Residual pressure is that part of the total available pressure that is not used to overcome friction or gravity while forcing water through pipe, fittings, fire hose, and adapters.
A.	Statements 1, 2, and 3 are true.
B.	Statement 1 is true; statements 2 and 3 are false.
C.	Statements 1 and 3 are false; statement 2 is true.
D.	Statement 1 is false; statements 2 and 3 are true.

59. ______ When measuring flow pressure with a hand-held pitot gauge, the tube should be held:
A.	even with the end of the hydrant outlet.
B.	at a distance equal to one-half the diameter of the outlet.
C.	at a distance equal to the diameter of the outlet.
D.	approximately two inches from the end of the outlet.

60. ______ The term for taking water from a static source using fire department pumpers is:

feeding.

drafting.

distributing.

flowing.

61. ______ When checking hydrants to ensure their effectiveness, firefighters should look for all of the following conditions except:
A.	obstructions erected near the hydrant that interfere with its operation.
B.	outlets facing the proper direction with sufficient clearance to the ground.
C.	components not damaged and all parts operating properly.
D.	the Post Indicator Valve is fully closed.

62. ______ Failure to open a dry-barrel hydrant fully will result in a reduced amount of available water and will contribute to:

sedimentation.

susceptibility to freezing.

difficulty in draining the main.

ground erosion.

63. ______ According to the NFPA, a hydrant with an orange bonnet or caps may be expected to

flow __________ gallons per minute.

less than 500

500 to 999

1000 to 1499

greater than 1500

64. ______ Which of the following is not a possible reason for inadequate flow from a hydrant?

Sedimentation

Feeder main size

Blocked drain hole

Partially opened valve

65. ______ According to the NFPA, a hydrant with a flow rate of 1000 to 1499 gpm may have

a(n) __________-colored bonnet or cap.

light blue

green

orange

red

66. ______ The purpose for opening the petcock on the Pitot tube is to:

drain the air chamber.

pressurize the air chamber.

flush the air chamber.

take a reading on the gauge.

67. ______ Directions: Read the following statements regarding fire hydrants and select your answer from Choices A through D. Statement 1 The value that controls the flow of water in a dry-barrel hydrant is located below ground and the frost line. Statement 2 The drain opening found at the bottom of the barrel is an exclusive feature of dry-barrel hydrants. Statement 3 A dry-barrel hydrant should always be either fully open or fully closed.
A.	Statement 1 is true; statements 2 and 3 are false.
B.	Statements 1 and 2 are true; statement 3 is false.
C.	Statement 1 is false; statements 2 and 3 are true.
D.	All three statements are true.

68. ______ Directions: Read the following statements regarding fire hydrants and select your answer from choices A through D. Statement 1 When inspecting fire hydrants, firefighters should first check visibility and accessibility of the hydrants. Statement 2 Hydrants should be positioned so that the connections, especially the large steamer connection are facing the street. Statement 3 Trash or other foreign objects placed inside the empty barrels of dry-barrel hydrants can obstruct water flow and/or damage a fire department pumper if they are drawn into the pump.
A.	Statement 1 is true; statements 2 and 3 are false.
B.	Statements 1 and 2 are true; statement 3 is false.
C.	Statement 1 is false; statements 2 and 3 are true.
D.	All three statements are true.

69. ______ Directions: Read the following statements regarding fire hydrants and select your answer from choices A through D. Statement 1 Mechanical damage to fire hydrants can be caused by many things including nature, vandals, accidents, and improper actions by members of the fire department. Statement 2 Rust and corrosion of hydrants should be noted for referral to the water department during hydrant inspection by firefighters. Statement 3 Sedimentation and encrustation can restrict or completely obstruct flow from hydrants.
A.	Statement 1 is true; statements 2 and 3 are false.
B.	Statements 1 and 2 are true; statement 3 is false.
C.	Statement 1 is false; statements 2 and 3 are true.
D.	All three statements are true.

70. ______ Directions: Read the following statements regarding fire hydrant testing and select your answer from choices A through D. Statement 1 Static pressure is a term used to refer to the pressure found within a water distribution system when there is no water flowing. Statement 2 Flow pressure is easily measured with a pressure gauge. Statement 3 Residual pressure is a term used to refer to the pressure remaining in a water distribution system while water is flowing.
A.	Statement 1 is true; statements 2 and 3 are false.
B.	Statements 1 and 2 are true; statement 3 is false.
C.	Statements 1 and 3 are true; statement 2 is false.
D.	All three statements are true.