Essentials of Fire Fighting 7th Edition -
Chapter 13 Hose Operations and Hose
Streams Questions and Complete
Solutions Graded A+
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 - Answer: C. Wide-angle fog stream
Chapter 13 - page 624
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 - Answer: C. Reducer
Chapter 13 - page 601
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 - Answer: C.
The stem nut used to open and close the control valve is on top of the hydrant
Chapter 13 - page 588
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 discharge outlets - Answer: B. Water bubbling up out of
the ground at the base
Chapter 13 - page 589
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 - Answer:
C. Closing a hydrants too quickly can damage piping and appliances of adjacent residences
Chapter 13 - page 592
What type of stream is designed for use in attics, cocklofts, basements, and other confined spaces?
A. Fog
, B. Solid
C. Broken
D. Straight - Answer: C. Broken
Chapter 13 - page 624
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 - 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
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 - Answer: B. Gate valve
Chapter 13 - page 600
Swimming pools, large above-ground animal water tanks, and portable water tanks are considered to
be:
A. Static water sources
Chapter 13 Hose Operations and Hose
Streams Questions and Complete
Solutions Graded A+
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 - Answer: C. Wide-angle fog stream
Chapter 13 - page 624
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 - Answer: C. Reducer
Chapter 13 - page 601
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 - Answer: C.
The stem nut used to open and close the control valve is on top of the hydrant
Chapter 13 - page 588
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 discharge outlets - Answer: B. Water bubbling up out of
the ground at the base
Chapter 13 - page 589
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 - Answer:
C. Closing a hydrants too quickly can damage piping and appliances of adjacent residences
Chapter 13 - page 592
What type of stream is designed for use in attics, cocklofts, basements, and other confined spaces?
A. Fog
, B. Solid
C. Broken
D. Straight - Answer: C. Broken
Chapter 13 - page 624
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 - 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
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 - Answer: B. Gate valve
Chapter 13 - page 600
Swimming pools, large above-ground animal water tanks, and portable water tanks are considered to
be:
A. Static water sources