CHAPTER 13 HOSE OPERATIONS & STREAMS UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS VERIFIED 2027 EDITION
1. What is caused by friction loss?
b. Lower water pressure at the nozzle
2. When using the minuteman load, the hose:
a. should deploy with fewer kinks and bends than other loads.
3. Which type of hose stream is created by specialized nozzles such as cellar nozzles, piercing nozzles,
or chimney nozzles?
b. Broken stream
4. Reduced water volume or pressure from hydrants can result from:
c. greater demand than the system can provide.
5. Which is a characteristic of master stream devices?
c. They deliver a large volume of water which can increase the chance of structural collapse.
6. One firefighter may be assigned to operate a large hoseline:
d. to protect exposures.
7. What causes water hammer
a. Closing the nozzle suddenly
8. When using a fog nozzle, as the fog pattern widens, the:
c. nozzle reaction decreases and makes the nozzle easier to handle.
9. What can firefighters do to help absorb nozzle reaction when operating a large hoseline?
b. Lean slightly forward
10. What should the fire department do when a hydrant is taken out of service?
a. Place "out-of-service" tags on the hydrant
11. Which use of a hose stream would protect firefighters and property from heat caused by the fire?
a. Creating a water curtain
12. What is a chafing block designed to do?
d. Protect fire hose from abrasions caused when charged hoselines rub against other surfaces
13. What effect can wind have on hose streams?
d. Shorten the stream's reach
14. Which hose lay allows the pumper to remain at the incident scene so that hose, equipment, and
tools are readily available if needed?
d. Forward lay
15. Which type of hose fitting would be used to connect a smaller hoseline to a larger supply line?
d. Reducer
16. Which is a characteristic of fog nozzles?
b. Can be adjusted to different stream patterns
1
, 17. Which type of nozzle valve controls the discharge pattern of the stream?
d. Rotary control valve
18. Which piece of equipment is used to quickly drain water from LDH hose before it is stored?
b. LDH drainage hose roller
19. How can friction loss be overcome?
d. Removing kinks and sharp bends from the hoseline
20. The _____ lay can delay initial fire attack because attack hose, tools, and equipment must be
removed from the apparatus and placed at the fire scene before the apparatus proceeds to the water
source.
a. reverse
21. Water absorbs heat and converts to steam most rapidly when it is:
d. applied in a fog pattern.
22. In order to avoid overloading a ladder when advancing a hoseline up it,:
a. only one firefighter should be on a section of ladder at a time.
23. The shape of a hose stream is determined by the:
b. type of nozzle.
24. In which situation would a standpipe need to be improvised by stretching a hoseline up an interior
stairwell or up the side of the building?
c. An earthquake renders the existing standpipe inoperable.
25. When two firefighters are operating a small hoseline, the backup firefighter should be positioned:
c. on the same side of the hose as the nozzle firefighter.
26. What is the purpose of a standpipe?
a. Provides a place to connect hose where preconnected hoselines cannot reach
27. Handline streams have flows that discharge:
a. from 40 to 350 gpm (160 to 1 400 L/min).
28. Which is a characteristic of fog streams?
d. Shorter reach than solid streams
29. When would a single firefighter be assigned to operate an attack hoseline?
b. Fire in a trash pile
30. When a _____ is used with a smooth bore nozzle, turbulence can affect the quality of the solid
stream if the valve is left partially open.
c. ball valve
31. Which piece of equipment is designed to prevent damage to hose when vehicles must drive over
it?
d. Hose bridge
32. When placing a master stream device,:
c. aim the stream so that it deflects off the ceiling or overhead objects.
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QUESTIONS AND CORRECT ANSWERS VERIFIED 2027 EDITION
1. What is caused by friction loss?
b. Lower water pressure at the nozzle
2. When using the minuteman load, the hose:
a. should deploy with fewer kinks and bends than other loads.
3. Which type of hose stream is created by specialized nozzles such as cellar nozzles, piercing nozzles,
or chimney nozzles?
b. Broken stream
4. Reduced water volume or pressure from hydrants can result from:
c. greater demand than the system can provide.
5. Which is a characteristic of master stream devices?
c. They deliver a large volume of water which can increase the chance of structural collapse.
6. One firefighter may be assigned to operate a large hoseline:
d. to protect exposures.
7. What causes water hammer
a. Closing the nozzle suddenly
8. When using a fog nozzle, as the fog pattern widens, the:
c. nozzle reaction decreases and makes the nozzle easier to handle.
9. What can firefighters do to help absorb nozzle reaction when operating a large hoseline?
b. Lean slightly forward
10. What should the fire department do when a hydrant is taken out of service?
a. Place "out-of-service" tags on the hydrant
11. Which use of a hose stream would protect firefighters and property from heat caused by the fire?
a. Creating a water curtain
12. What is a chafing block designed to do?
d. Protect fire hose from abrasions caused when charged hoselines rub against other surfaces
13. What effect can wind have on hose streams?
d. Shorten the stream's reach
14. Which hose lay allows the pumper to remain at the incident scene so that hose, equipment, and
tools are readily available if needed?
d. Forward lay
15. Which type of hose fitting would be used to connect a smaller hoseline to a larger supply line?
d. Reducer
16. Which is a characteristic of fog nozzles?
b. Can be adjusted to different stream patterns
1
, 17. Which type of nozzle valve controls the discharge pattern of the stream?
d. Rotary control valve
18. Which piece of equipment is used to quickly drain water from LDH hose before it is stored?
b. LDH drainage hose roller
19. How can friction loss be overcome?
d. Removing kinks and sharp bends from the hoseline
20. The _____ lay can delay initial fire attack because attack hose, tools, and equipment must be
removed from the apparatus and placed at the fire scene before the apparatus proceeds to the water
source.
a. reverse
21. Water absorbs heat and converts to steam most rapidly when it is:
d. applied in a fog pattern.
22. In order to avoid overloading a ladder when advancing a hoseline up it,:
a. only one firefighter should be on a section of ladder at a time.
23. The shape of a hose stream is determined by the:
b. type of nozzle.
24. In which situation would a standpipe need to be improvised by stretching a hoseline up an interior
stairwell or up the side of the building?
c. An earthquake renders the existing standpipe inoperable.
25. When two firefighters are operating a small hoseline, the backup firefighter should be positioned:
c. on the same side of the hose as the nozzle firefighter.
26. What is the purpose of a standpipe?
a. Provides a place to connect hose where preconnected hoselines cannot reach
27. Handline streams have flows that discharge:
a. from 40 to 350 gpm (160 to 1 400 L/min).
28. Which is a characteristic of fog streams?
d. Shorter reach than solid streams
29. When would a single firefighter be assigned to operate an attack hoseline?
b. Fire in a trash pile
30. When a _____ is used with a smooth bore nozzle, turbulence can affect the quality of the solid
stream if the valve is left partially open.
c. ball valve
31. Which piece of equipment is designed to prevent damage to hose when vehicles must drive over
it?
d. Hose bridge
32. When placing a master stream device,:
c. aim the stream so that it deflects off the ceiling or overhead objects.
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