Essentials of Fire Fighting 7th Edition - Chapter 13: Hose Operations and Hose Streams Questions & Answers
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Course
Essentials of Fire Fighting 7th
Institution
Essentials Of Fire Fighting 7th
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 - ANSWERSC. 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...
Essentials of Fire Fighting 7th Edition -
Chapter 13: Hose Operations and Hose
Streams Questions & Answers
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 - ANSWERSC. 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 - ANSWERSC. 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 - ANSWERSC. 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 - ANSWERSB. 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 - ANSWERSC. 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 - ANSWERSC. 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 -
ANSWERSD. 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 - ANSWERSB. 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
B. Temporary drop sites
C. Inadequate sources for drafting operations
D. Access points on water distribution systems - ANSWERSA. Static water sources
Chapter 13 - page 595
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 - ANSWERSC. Nozzle pressure
Chapter 13 - page 615
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 - ANSWERSD. Butterfly valve
Chapter 13 - page 600
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 - ANSWERSA. Does not cause
turbulence
Chapter 13 - page 619
An outside stretch improvised standpipe:
A. Can be used for lower floors of high-rise buildings
B. Requires the use of an aerial device to lift the hose line into place
C. Has the advantage of not needing to be secured to anchor points
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