IFSTA 7 Exam with complete solutions
2025
When jfirefighters japply jwater jto jthe jhot jgas jlayer jin ja jcompartment, jit jwill:
j(670) j[4.3.10]
a. jincrease jthe jpotential jfor jflashover.
b. jincrease jthe jradiant jheat jflux jfrom jthe jupper jlayer.
c. jreduce jthe jradiant jheat jflux jfrom jthe jupper jlayer.
d. jpush jfire jinto jadjacent jrooms. j- jANS✓✓-c. jreduce jthe jradiant jheat jflux jfrom
jthe jupper jlayer.
What jcan jhappen jif jexcess jsteam jis jproduced jinside jthe jstructure jas ja jresult
jof japplying jwater jon jthe jfire? j(670) j[4.3.10]
a. jDisruption jof jthe jthermal jlayering
b. jIncrease jin jthe jpotential jfor jbackdraft jor jflashover
c. jTransition jfrom jfuel-limited jto jventilation-limited jconditions
d. jPyrolysis jprocess jspeeds jup j- jANS✓✓-a. jDisruption jof jthe jthermal jlayering
In jwhich jsituation jwould jfuel jremoval jbe ja jlikely jmethod jof jextinguishment?
j(670) j[4.3.19]
a. jFire jin jan japartment jbuilding
b. jFire jin ja jone-story jhouse
c. jGrass jfire
d. jWarehouse jfire j- jANS✓✓-c. jGrass jfire
Closing jthe jvalve jon ja jnatural jgas jtank jto jstop jthe jemission jof jgaseous jfuel
jwould jbe jan jexample jof: j(670) j[4.310]
a. jfuel jremoval.
b. joxygen jexclusion.
c. jchemical jflame jinhibition.
d. jtemperature jreduction. j- jANS✓✓-a. jfuel jremoval.
When ja jfirefighter jcontrols jdoors jand jwindows jduring jfire jattack, jit jis jan
jexample jof: j(671) j[4.310, j4.3.11]
a. jchemical jflame jinhibition.
b. jtemperature jreduction.
c. jfuel jremoval.
d. joxygen jexclusion. j- jANS✓✓-d. joxygen jexclusion.
Clean jagents jextinguish jfire jby: j(672) j[4.3.10]
, a. jremoving joxygen jfrom jthe jcompartment.
b. jremoving jthe jburning jfuel.
c. jcooling jthe jburning jmaterial.
d. jInterrupting jthe jcombustion jreaction. j- jANS✓✓-d. jInterrupting jthe
jcombustion jreaction.
If jyou jare jpositioned jto jmake jfire jattack, jwhich jcondition jwould jbe jimportant jto
jcommunicate jto jyour jsupervisor jor jthe jIncident jCommander? j(673) j[4.3.10]
a. jSmoke jthat jchanges jfrom jgray jto jblack
b. jAll jteam jmembers' jPASS jdevices jare jfunctioning
c. jAmount jof jradiant jheat jfelt jby jfirefighters
d. jPresence jof jbystanders jat jthe jperimeter j- jANS✓✓-a. jSmoke jthat jchanges
jfrom jgray jto jblack
Firefighters jshould jensure jthat jPASS jdevices jare jon jand joperating jproperly:
j(674) j[4.3.10]
a. jbefore jentering jthe jstructure.
b. jonce jthey jreach jthe jseat jof jthe jfire.
c. jbefore japplying jwater jto jthe jfire.
d. jonce jthey jreach jtheir j"point jof jno jreturn." j- jANS✓✓-a. jbefore jentering jthe
jstructure.
Which jtool jor jpiece jof jequipment jis ja jmember jof ja jfire jattack jteam jlikely jto
jcarry? j(674) j[4.3.10]
a. jSalvage jcover
b. jPPV jfan
c. jPower jsaw
d. jHand jlight j- jANS✓✓-d. jHand jlight
Before jentering jthe jbuilding jor jfire jarea, jthe jfirefighter jwho jis jassigned jto jthe
jnozzle jof jthe jattack jhose jshould: j(674) j[4.3.8, j4.3.10]
a. jopen jthe jnozzle jfully jto jcheck jfor jadequate jflow.
b. jwait jto jcall jfor jwater juntil jthe jentry jdoor jis jpropped jopen.
c. jopen jthe jnozzle jfully jonce jhe jor jshe jreaches jthe jfire jcompartment.
d. jwait jto jcall jfor jwater juntil jthey jare jseveral jsteps jinside jthe jstructure. j- jANS
✓✓-a. jopen jthe jnozzle jfully jto jcheck jfor jadequate jflow.
What jshould jthe jattack jteam jdo jif jthey jopen jthe jdoor jto ja jstructure jand
jobserve ja jlow jneutral jplane jand jturbulent jsmoke? j(676) j[4.3.10]
a. jApply jwater jto jthe jhot jgas jlayer, jbut jstay joutside jthe jstructure
b. jApply jwater jto jthe jhot jgas jlayer jwhile jadvancing jto jthe jseat jof jthe jfire
c. jClose jthe jdoor jand juse ja jdifferent jentrance jto jthe jstructure
d. jPerform jnegative jpressure jventilation jto jremove jsmoke jfrom jthe
jcompartment j- jANS✓✓-a. jApply jwater jto jthe jhot jgas jlayer, jbut jstay joutside
jthe jstructure
Why jis jit jdangerous jto jwork jbelow jthe jhot jgas jlayer jwithout jattempting jto jcool
jit? j(677) j[4.3.10]
a. jThe jhot jgas jlayer jcan jbreak jopen jwindows, jcreating jventilation jissues.
2025
When jfirefighters japply jwater jto jthe jhot jgas jlayer jin ja jcompartment, jit jwill:
j(670) j[4.3.10]
a. jincrease jthe jpotential jfor jflashover.
b. jincrease jthe jradiant jheat jflux jfrom jthe jupper jlayer.
c. jreduce jthe jradiant jheat jflux jfrom jthe jupper jlayer.
d. jpush jfire jinto jadjacent jrooms. j- jANS✓✓-c. jreduce jthe jradiant jheat jflux jfrom
jthe jupper jlayer.
What jcan jhappen jif jexcess jsteam jis jproduced jinside jthe jstructure jas ja jresult
jof japplying jwater jon jthe jfire? j(670) j[4.3.10]
a. jDisruption jof jthe jthermal jlayering
b. jIncrease jin jthe jpotential jfor jbackdraft jor jflashover
c. jTransition jfrom jfuel-limited jto jventilation-limited jconditions
d. jPyrolysis jprocess jspeeds jup j- jANS✓✓-a. jDisruption jof jthe jthermal jlayering
In jwhich jsituation jwould jfuel jremoval jbe ja jlikely jmethod jof jextinguishment?
j(670) j[4.3.19]
a. jFire jin jan japartment jbuilding
b. jFire jin ja jone-story jhouse
c. jGrass jfire
d. jWarehouse jfire j- jANS✓✓-c. jGrass jfire
Closing jthe jvalve jon ja jnatural jgas jtank jto jstop jthe jemission jof jgaseous jfuel
jwould jbe jan jexample jof: j(670) j[4.310]
a. jfuel jremoval.
b. joxygen jexclusion.
c. jchemical jflame jinhibition.
d. jtemperature jreduction. j- jANS✓✓-a. jfuel jremoval.
When ja jfirefighter jcontrols jdoors jand jwindows jduring jfire jattack, jit jis jan
jexample jof: j(671) j[4.310, j4.3.11]
a. jchemical jflame jinhibition.
b. jtemperature jreduction.
c. jfuel jremoval.
d. joxygen jexclusion. j- jANS✓✓-d. joxygen jexclusion.
Clean jagents jextinguish jfire jby: j(672) j[4.3.10]
, a. jremoving joxygen jfrom jthe jcompartment.
b. jremoving jthe jburning jfuel.
c. jcooling jthe jburning jmaterial.
d. jInterrupting jthe jcombustion jreaction. j- jANS✓✓-d. jInterrupting jthe
jcombustion jreaction.
If jyou jare jpositioned jto jmake jfire jattack, jwhich jcondition jwould jbe jimportant jto
jcommunicate jto jyour jsupervisor jor jthe jIncident jCommander? j(673) j[4.3.10]
a. jSmoke jthat jchanges jfrom jgray jto jblack
b. jAll jteam jmembers' jPASS jdevices jare jfunctioning
c. jAmount jof jradiant jheat jfelt jby jfirefighters
d. jPresence jof jbystanders jat jthe jperimeter j- jANS✓✓-a. jSmoke jthat jchanges
jfrom jgray jto jblack
Firefighters jshould jensure jthat jPASS jdevices jare jon jand joperating jproperly:
j(674) j[4.3.10]
a. jbefore jentering jthe jstructure.
b. jonce jthey jreach jthe jseat jof jthe jfire.
c. jbefore japplying jwater jto jthe jfire.
d. jonce jthey jreach jtheir j"point jof jno jreturn." j- jANS✓✓-a. jbefore jentering jthe
jstructure.
Which jtool jor jpiece jof jequipment jis ja jmember jof ja jfire jattack jteam jlikely jto
jcarry? j(674) j[4.3.10]
a. jSalvage jcover
b. jPPV jfan
c. jPower jsaw
d. jHand jlight j- jANS✓✓-d. jHand jlight
Before jentering jthe jbuilding jor jfire jarea, jthe jfirefighter jwho jis jassigned jto jthe
jnozzle jof jthe jattack jhose jshould: j(674) j[4.3.8, j4.3.10]
a. jopen jthe jnozzle jfully jto jcheck jfor jadequate jflow.
b. jwait jto jcall jfor jwater juntil jthe jentry jdoor jis jpropped jopen.
c. jopen jthe jnozzle jfully jonce jhe jor jshe jreaches jthe jfire jcompartment.
d. jwait jto jcall jfor jwater juntil jthey jare jseveral jsteps jinside jthe jstructure. j- jANS
✓✓-a. jopen jthe jnozzle jfully jto jcheck jfor jadequate jflow.
What jshould jthe jattack jteam jdo jif jthey jopen jthe jdoor jto ja jstructure jand
jobserve ja jlow jneutral jplane jand jturbulent jsmoke? j(676) j[4.3.10]
a. jApply jwater jto jthe jhot jgas jlayer, jbut jstay joutside jthe jstructure
b. jApply jwater jto jthe jhot jgas jlayer jwhile jadvancing jto jthe jseat jof jthe jfire
c. jClose jthe jdoor jand juse ja jdifferent jentrance jto jthe jstructure
d. jPerform jnegative jpressure jventilation jto jremove jsmoke jfrom jthe
jcompartment j- jANS✓✓-a. jApply jwater jto jthe jhot jgas jlayer, jbut jstay joutside
jthe jstructure
Why jis jit jdangerous jto jwork jbelow jthe jhot jgas jlayer jwithout jattempting jto jcool
jit? j(677) j[4.3.10]
a. jThe jhot jgas jlayer jcan jbreak jopen jwindows, jcreating jventilation jissues.
