IFSTA Chapter 13 (Hose Ops and Streams) Questions and
Answers Latest Update 2027
Question 1.
What type of hose stream has the lowest forward velocity?
A. Solid stream
B. Straight stream
C. Wide-angle fog stream
D. Narrow-angle fog stream
Correct Answer: C. Wide-angle fog stream Chapter 13 - page 624
Question 2.
A hose fitting used to connect a smaller-diameter hose line to the end of a larger one is
commonly called a(n):
A. Wye
B. Adapter
C. Reducer
D. Water thief
Correct Answer: C. Reducer Chapter 13 - page 601
Question 3.
What statement about dry-barrel hydrants is true?
A. Horizontal compression valves are usually at each outlet
B. They can only be used with pumpers that have drafting capabilities
C. The stem nut used to open and close the control valve is on top of the hydrant
D. They are all designed for use in climates that do not experience freezing temperatures
Correct Answer: C. The stem nut used to open and close the control valve is on
top of the hydrant Chapter 13 - page 588
Question 4.
When a dry-barrel hydrant is open and there is a broken component in the hydrant barrel,
you would see:
A. Water discharging only from the largest outlet
B. Water bubbling up out of the ground at the base
C. Streams of water shooting from the steamer connection
D. A sucking effect that can be heard from the dis- charge outlets
Correct Answer: B. Water bubbling up out of the ground at the base Chapter 13 -
page 589
,Question 5.
What is a consideration for opening wet-barrel and dry-barrel hydrants?
A. The barrels of all hydrants should be drained sufficiently when not in use
B. All hydrants should be opened slowly, but can be closed quickly if necessary
C. Closing a hydrants too quickly can damage piping and appliances of adjacent
residences
D. As the main valve moves up, a drain valve is opened to allow water to drain from the
barrel
Correct Answer: C. Closing a hydrants too quickly can damage piping and
appliances of adjacent residences Chapter 13 - page 592
Question 6.
What type of stream is designed for use in attics, cocklofts, basements, and other confined
spaces?
A. Fog
B. Solid
C. Broken
D. Straight
Correct Answer: C. Broken Chapter 13 - page 624
Question 7.
What hydrant discharge outlets are considered standard?
A. At least three hose outlets of any size
B. At least two hose outlets for 2 1/2'' couplings
C. At least two large outlets often referred to as steamer connections
D. At least one large outlet (4'' or 4 1/2'') and two hose outlets for 2 1/2'' couplings
Correct Answer: D. At least one large outlet (4'' or 4 1/2'') and two hose outlets
for 2 1/2'' couplings Chapter 13 - page 588
Question 8.
What type of valve is used to control the flow from a hydrant?
A. Ball valve
B. Gate valve
C. Clapper valve
D. Butterfly valve
Correct Answer: B. Gate valve Chapter 13 - page 600
, Question 9.
Swimming pools, large above-ground animal water tanks, and portable water tanks are
considered to be:
A. Static water sources
B. Temporary drop sites
C. Inadequate sources for drafting operations
D. Access points on water distribution systems
Correct Answer: A. Static water sources Chapter 13 - page 595
Question 10.
The velocity of a stream of water from a smooth bore nozzle is a result of:
A. Hose diameter
B. Pump pressure
C. Nozzle pressure
D. Volume of water
Correct Answer: C. Nozzle pressure Chapter 13 - page 615
Question 11.
What type of valve is used on large pump intakes and incorporates a flat baffle that turns
90 degrees?
A. Ball valve
B. Gate valve
C. Clapper valve
D. Butterfly valve
Correct Answer: D. Butterfly valve Chapter 13 - page 600
Question 12.
What is the primary advantage of a nozzle that uses a slide valve?
A. Does not cause turbulence
B. Has no risk of water hammer
C. Can be operated at high pressure
D. Creates the widest variance in stream stypes
Correct Answer: A. Does not cause turbulence Chapter 13 - page 619
Answers Latest Update 2027
Question 1.
What type of hose stream has the lowest forward velocity?
A. Solid stream
B. Straight stream
C. Wide-angle fog stream
D. Narrow-angle fog stream
Correct Answer: C. Wide-angle fog stream Chapter 13 - page 624
Question 2.
A hose fitting used to connect a smaller-diameter hose line to the end of a larger one is
commonly called a(n):
A. Wye
B. Adapter
C. Reducer
D. Water thief
Correct Answer: C. Reducer Chapter 13 - page 601
Question 3.
What statement about dry-barrel hydrants is true?
A. Horizontal compression valves are usually at each outlet
B. They can only be used with pumpers that have drafting capabilities
C. The stem nut used to open and close the control valve is on top of the hydrant
D. They are all designed for use in climates that do not experience freezing temperatures
Correct Answer: C. The stem nut used to open and close the control valve is on
top of the hydrant Chapter 13 - page 588
Question 4.
When a dry-barrel hydrant is open and there is a broken component in the hydrant barrel,
you would see:
A. Water discharging only from the largest outlet
B. Water bubbling up out of the ground at the base
C. Streams of water shooting from the steamer connection
D. A sucking effect that can be heard from the dis- charge outlets
Correct Answer: B. Water bubbling up out of the ground at the base Chapter 13 -
page 589
,Question 5.
What is a consideration for opening wet-barrel and dry-barrel hydrants?
A. The barrels of all hydrants should be drained sufficiently when not in use
B. All hydrants should be opened slowly, but can be closed quickly if necessary
C. Closing a hydrants too quickly can damage piping and appliances of adjacent
residences
D. As the main valve moves up, a drain valve is opened to allow water to drain from the
barrel
Correct Answer: C. Closing a hydrants too quickly can damage piping and
appliances of adjacent residences Chapter 13 - page 592
Question 6.
What type of stream is designed for use in attics, cocklofts, basements, and other confined
spaces?
A. Fog
B. Solid
C. Broken
D. Straight
Correct Answer: C. Broken Chapter 13 - page 624
Question 7.
What hydrant discharge outlets are considered standard?
A. At least three hose outlets of any size
B. At least two hose outlets for 2 1/2'' couplings
C. At least two large outlets often referred to as steamer connections
D. At least one large outlet (4'' or 4 1/2'') and two hose outlets for 2 1/2'' couplings
Correct Answer: D. At least one large outlet (4'' or 4 1/2'') and two hose outlets
for 2 1/2'' couplings Chapter 13 - page 588
Question 8.
What type of valve is used to control the flow from a hydrant?
A. Ball valve
B. Gate valve
C. Clapper valve
D. Butterfly valve
Correct Answer: B. Gate valve Chapter 13 - page 600
, Question 9.
Swimming pools, large above-ground animal water tanks, and portable water tanks are
considered to be:
A. Static water sources
B. Temporary drop sites
C. Inadequate sources for drafting operations
D. Access points on water distribution systems
Correct Answer: A. Static water sources Chapter 13 - page 595
Question 10.
The velocity of a stream of water from a smooth bore nozzle is a result of:
A. Hose diameter
B. Pump pressure
C. Nozzle pressure
D. Volume of water
Correct Answer: C. Nozzle pressure Chapter 13 - page 615
Question 11.
What type of valve is used on large pump intakes and incorporates a flat baffle that turns
90 degrees?
A. Ball valve
B. Gate valve
C. Clapper valve
D. Butterfly valve
Correct Answer: D. Butterfly valve Chapter 13 - page 600
Question 12.
What is the primary advantage of a nozzle that uses a slide valve?
A. Does not cause turbulence
B. Has no risk of water hammer
C. Can be operated at high pressure
D. Creates the widest variance in stream stypes
Correct Answer: A. Does not cause turbulence Chapter 13 - page 619
