TCFP Questions
Which is a characteristic of smooth bore nozzles?
A. Prone to clogging with debris
B. Cannot be used to apply compressed air foam
C. Cannot be adjusted to different stream patterns
D.Operate at higher nozzle pressures than fog nozzles correct
answersC. Cannot be adjusted to different stream patterns
How is the rate of discharge for a manually adjustable fog nozzle changed?
E. Pushing the bale forward or backward slowly
F. Rotating the nozzle tip to choose a wider or narrower pattern
G. Rotating the selector ring to the desired GPM (L/min) setting
H.Signaling the pump operator to reduce or increase the pressure
correct answersC. Rotating the selector ring to the desired GPM (L/Min)
setting
Advancing an uncharged hose line down a flight of stairs is only
recommended when:
I. The fire is minor or not present
J. There is an immediate need for water
K. The primary search has been completed
L. There are at least four firefighters on the hoseline team correct answersA.
The fire is minor or not present
Hand line streams have flows that discharge:
M.Less than 40 GPM ( 160 L/min)
N. From 25 to 300 GPM ( 100 to 1 200L/min)
O. From 40 to 350 GPM (160 to 1 400L/min)
P.More than 350 GPM ( 1 400L/min) correct answersFrom 40 to 350
GPN (160 to 1 400L/min
Which type of hose stream is created by specialized nozzles such as
cellar nozzles, piercing nozzles, or chimney nozzles?
Q. Fog stream
R. Solid stream
S. Broken stream
T. Straight stream correct answersC. Broken stream
What is caused by friction loss?
, A. Increased nozzle reaction
B. Decreased nozzle reaction
C. Lower water pressure at the pump
D. Lower water pressure at the nozzle correct answersD. Lower water
pressure at the nozzle
Class a foam acts as a surfactant, which means that it:
A. Requires a special type of nozzle for application
B. Requires a special type of aeration tool to be formed
C. Lowers the surface tension of water, allowing better penetration into the
fuel
D. Raises the surface tension of water, creating a more effective
extinguishing agent. correct answersC. Lowers the surface tension of water,
allowing better penetration into the fuel.
The rate of application for class B foam depends on:
A. The location of the fuel spill
B. Whether or not the fuel is a surfactant
C. The type of water used to proportion the foam
D. Whether the fuel is spilled or contained in a tank correct answersD.
Whether the fuel is spilled or contained in a tank
What is necessary when applying fire fighting foam?
A. A vapor protective suit and SCBA
B. A hazardous materials team standing by
C. Continued, uninterrupted application until extinguishment
D. Intermittent application breaks to allow the foam to settle correct
answersC. Continued, uninterrupted application until extinguishment
Mixing water with foam concentrate to form a foam solution is
referred to as:
A. Aerating
B.
Surfacting C
saponifying
D.
Proportionin
g correct
answersD.
Proportionin
g
Most fire
fighting
films are
intended to
be mixed
with:
A. 30to60%
water
B. 50 to
75.9%
water
C. 80 to
90% water
Which is a characteristic of smooth bore nozzles?
A. Prone to clogging with debris
B. Cannot be used to apply compressed air foam
C. Cannot be adjusted to different stream patterns
D.Operate at higher nozzle pressures than fog nozzles correct
answersC. Cannot be adjusted to different stream patterns
How is the rate of discharge for a manually adjustable fog nozzle changed?
E. Pushing the bale forward or backward slowly
F. Rotating the nozzle tip to choose a wider or narrower pattern
G. Rotating the selector ring to the desired GPM (L/min) setting
H.Signaling the pump operator to reduce or increase the pressure
correct answersC. Rotating the selector ring to the desired GPM (L/Min)
setting
Advancing an uncharged hose line down a flight of stairs is only
recommended when:
I. The fire is minor or not present
J. There is an immediate need for water
K. The primary search has been completed
L. There are at least four firefighters on the hoseline team correct answersA.
The fire is minor or not present
Hand line streams have flows that discharge:
M.Less than 40 GPM ( 160 L/min)
N. From 25 to 300 GPM ( 100 to 1 200L/min)
O. From 40 to 350 GPM (160 to 1 400L/min)
P.More than 350 GPM ( 1 400L/min) correct answersFrom 40 to 350
GPN (160 to 1 400L/min
Which type of hose stream is created by specialized nozzles such as
cellar nozzles, piercing nozzles, or chimney nozzles?
Q. Fog stream
R. Solid stream
S. Broken stream
T. Straight stream correct answersC. Broken stream
What is caused by friction loss?
, A. Increased nozzle reaction
B. Decreased nozzle reaction
C. Lower water pressure at the pump
D. Lower water pressure at the nozzle correct answersD. Lower water
pressure at the nozzle
Class a foam acts as a surfactant, which means that it:
A. Requires a special type of nozzle for application
B. Requires a special type of aeration tool to be formed
C. Lowers the surface tension of water, allowing better penetration into the
fuel
D. Raises the surface tension of water, creating a more effective
extinguishing agent. correct answersC. Lowers the surface tension of water,
allowing better penetration into the fuel.
The rate of application for class B foam depends on:
A. The location of the fuel spill
B. Whether or not the fuel is a surfactant
C. The type of water used to proportion the foam
D. Whether the fuel is spilled or contained in a tank correct answersD.
Whether the fuel is spilled or contained in a tank
What is necessary when applying fire fighting foam?
A. A vapor protective suit and SCBA
B. A hazardous materials team standing by
C. Continued, uninterrupted application until extinguishment
D. Intermittent application breaks to allow the foam to settle correct
answersC. Continued, uninterrupted application until extinguishment
Mixing water with foam concentrate to form a foam solution is
referred to as:
A. Aerating
B.
Surfacting C
saponifying
D.
Proportionin
g correct
answersD.
Proportionin
g
Most fire
fighting
films are
intended to
be mixed
with:
A. 30to60%
water
B. 50 to
75.9%
water
C. 80 to
90% water
