Chapter Test 13 (IFSTA 7th Edition questions and answers
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Course
IFSTA 7th Edition
Institution
IFSTA 7th Edition
A dry-barrel hydrant only has water in it when: (588) [4.3.15]
the stem nut is operated to open the control valve.
a water main has broken.
a clapper valve has been opened.
the temperature outside is above freezing. - the stem nut is operated to open the control valve.
A firefighter should not...
Chapter Test 13 IFSTA 7th Edition
A dry-barrel hydrant only has water in it when: (588) [4.3.15]
the stem nut is operated to open the control valve.
a water main has broken.
a clapper valve has been opened.
the temperature outside is above freezing. - ✔✔the stem nut is operated to open the control valve.
A firefighter should not turn off electricity to an entire building until he or she is ordered to, because it:
(689) [4.3.18]
makes it harder for firefighters to work inside the building when there is no electricity.
would be an inconvenience to occupants to have the utilities turned off.
can cause unforeseen issues with forcible entry and overhaul operations.
is necessary to operate essential systems such as elevators and HVAC systems. - ✔✔is necessary to
operate essential systems such as elevators and HVAC systems.
A hydrant wrench is primarily used to: (590) [4.3.15]
repair the hydrant if it is out-of-service.
remove discharge caps from the hydrant outlets.
apply a hose clamp near the hydrant outlet.
tighten hose couplings at the apparatus outlets. - ✔✔remove discharge caps from the hydrant outlets.
A slow-moving, smoldering fire that burns dead organic matter on the soil in forested areas is called a
______ fire. (709) [4.3.19]
flank
surface
crown
ground - ✔✔ground
Advancing an uncharged hoseline down a flight of stairs is only recommended when: (608-609) [4.3.10]
,there is an immediate need for water.
the fire is minor or not present.
there are at least four firefighters on the hoseline team.
the primary search has been completed. - ✔✔the fire is minor or not present.
As part of general nozzle inspection and maintenance, firefighters should: (618-619) [4.3.10]
look for external damage to the nozzle body and tip.
clean the nozzle with industrial strength cleaner after each use.
be able to perform technical maintenance or repairs.
replace the swivel gasket each time after use. - ✔✔ook for external damage to the nozzle body and tip.
At what point should a firefighter close a sprinkler system's main control valve? (686) [4.3.13, 4.3.14]
Upon arrival at the structure
Immediately prior to fire attack
Once the pumper has been connected to the FDC
Once the fire is under control and the IC gives the order - ✔✔Once the fire is under control and the IC
gives the order
Before entering the building or fire area, the firefighter who is assigned to the nozzle of the attack hose
should: (674) [4.3.8, 4.3.10]
open the nozzle fully to check for adequate flow.
wait to call for water until the entry door is propped open.
open the nozzle hallway once he or she reaches the fire compartment.
wait to call for water until they are several steps inside the structure. - ✔✔open the nozzle fully to check
for adequate flow.
Biological waste and aerosol cans are hazards likely to be present in: (706) [4.3.8]
Burst hoselines will cause water pressure to decrease or stop and: (607) [4.3.10]
can be used, but only as supplemental hoselines.
should be repaired.
can be used as long as there is still some pressure.
should be replaced. - ✔✔should be replaced.
Clean agents extinguish fire by: (672) [4.3.10]
removing oxygen from the compartment.
removing the burning fuel.
cooling the burning material.
Interrupting the combustion reaction. - ✔✔Interrupting the combustion reaction.
Closing the valve on a natural gas tank to stop the emission of gaseous fuel would be an example of:
(670) [4.310]
fuel removal.
oxygen exclusion.
chemical flame inhibition.
temperature reduction. - ✔✔fuel removal.
During ground cover fire fighting operations, if an oil well or a pipeline is broken and exposed to fire,
firefighters should: (717) [4.3.19]
treat the situation like a hazardous materials incident and withdraw.
treat the situation like any other ground cover fire incident.
apply water from a distance using a master stream device.
apply Class A or B foam to any burning fuels. - ✔✔treat the situation like a hazardous materials incident
and withdraw.
, Extinguish any fire near the ______ first when attacking a vehicle fire. (696) [4.3.7]
occupants
engine compartment
gas tank
windshield - ✔✔occupants
Firefighters should ensure that PASS devices are on and operating properly: (673) [4.3.10]
before entering the structure.
once they reach the seat of the fire.
before applying water to the fire.
once they reach their "point of no return." - ✔✔before entering the structure.
Friction loss is affected by the: (627-628) [4.37, 4.3.8, 4.3.10]
number of firefighters handling the hoseline.
length of the hose lay.
geographic location.
weather conditions. - ✔✔length of the hose lay.
Handline streams have flows that discharge: (620-621) [4.3.10]
more than 350 gpm (1 400 L/min).
from 40 to 350 gpm (160 to 1 400 L/min).
from 25 to 300 gpm (100 to 1 200 L/min).
less than 40 gpm (160 L/min). - ✔✔from 40 to 350 gpm (160 to 1 400 L/min).
How can a 41/2-inch (115 mm) intake hose be connected to a 2 1/2 -inch steamer (65 mm) connection
on the hydrant?
Use a reducer coupling
Attach a gate valve
Attach a water thief appliance
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