FF1 IFO CORE MAIN QUESTIONS AND ANSWERS SET
A+
✔✔When operating at an emergency scene why should a firefighter scan the outside of
a building before entry?
a. to assess architectural design
b. to assess if entry is possible
c. to locate anyone trapped inside
d. to locate possible escape routes - ✔✔D
✔✔Which of the following statements above the firestream is MOST accurate?
a. hydrant pressure determines the shape of the firestream
b. the relief valve influences the reach of a fire stream
c. the type of nozzle determines the critical flow rate
d. the size of the nozzle opening, and nozzle pressure determine the quantity of water
flowing from the nozzle - ✔✔D
✔✔To extinguish by cooling, the firestream must:
a. fully saturates the fuel source
b. absorbs over 50% of heat generated by the fire
c. absorb heat faster than fire generates heat
d. be fully vaporized into steam - ✔✔C
✔✔How should forcible entry to open a door begin?
a. force the window to access lock
b. remove the hinge pins
c. pry the door from the jamb
d. try to open door in normal fashion - ✔✔D
✔✔When is a K tool used?
a. to cut a padlock
b. to make an opening near a lock
, c. to cut a section out of a panel
d. to pull lock cylinders - ✔✔D
✔✔Where are the hinges of an outward swinging door mounted?
a. one side
b. outside
c. inside
d. both sides - ✔✔B
✔✔Forcing the wrong window in a structure can:
a. help with ventilation
b. further injured victims inside
c. decrease fire growth
d. draw fire to uninvolved sections - ✔✔D
✔✔What action should a firefighter take if thermal radiant heat burns develop while
wearing personal protective equipment (PPE)?
a. Withdraw from area immediately
b. shift to get a different angle on the fire
c. inform supervisor before continuing work
d. move further back from the fire - ✔✔A
✔✔Which of the following is an emergency exit indicator?
a. SCBA failure
b. situation is stabilized
c. necessary to replace air cylinders
d. assignment completed - ✔✔A
✔✔Which part of the facepiece assembly releases expired air without admitting in the
contaminated outside atmosphere?
a. exhalation valve
b. face piece frame
c. nose Cup
d. speaking diaphragm - ✔✔A
✔✔Which of the following BEST describes SCBA safety precautions to take in an IDLH
atmosphere?
a. Work in teams of two or more
b. exit IDLH atmosphere after a low air alarm activates
c. remove SCBA if atmosphere appear safe
d. check air supply when there is downtime - ✔✔A
✔✔Which of the following respiratory hazards causes super-heated air to damage the
respiratory tract?
A+
✔✔When operating at an emergency scene why should a firefighter scan the outside of
a building before entry?
a. to assess architectural design
b. to assess if entry is possible
c. to locate anyone trapped inside
d. to locate possible escape routes - ✔✔D
✔✔Which of the following statements above the firestream is MOST accurate?
a. hydrant pressure determines the shape of the firestream
b. the relief valve influences the reach of a fire stream
c. the type of nozzle determines the critical flow rate
d. the size of the nozzle opening, and nozzle pressure determine the quantity of water
flowing from the nozzle - ✔✔D
✔✔To extinguish by cooling, the firestream must:
a. fully saturates the fuel source
b. absorbs over 50% of heat generated by the fire
c. absorb heat faster than fire generates heat
d. be fully vaporized into steam - ✔✔C
✔✔How should forcible entry to open a door begin?
a. force the window to access lock
b. remove the hinge pins
c. pry the door from the jamb
d. try to open door in normal fashion - ✔✔D
✔✔When is a K tool used?
a. to cut a padlock
b. to make an opening near a lock
, c. to cut a section out of a panel
d. to pull lock cylinders - ✔✔D
✔✔Where are the hinges of an outward swinging door mounted?
a. one side
b. outside
c. inside
d. both sides - ✔✔B
✔✔Forcing the wrong window in a structure can:
a. help with ventilation
b. further injured victims inside
c. decrease fire growth
d. draw fire to uninvolved sections - ✔✔D
✔✔What action should a firefighter take if thermal radiant heat burns develop while
wearing personal protective equipment (PPE)?
a. Withdraw from area immediately
b. shift to get a different angle on the fire
c. inform supervisor before continuing work
d. move further back from the fire - ✔✔A
✔✔Which of the following is an emergency exit indicator?
a. SCBA failure
b. situation is stabilized
c. necessary to replace air cylinders
d. assignment completed - ✔✔A
✔✔Which part of the facepiece assembly releases expired air without admitting in the
contaminated outside atmosphere?
a. exhalation valve
b. face piece frame
c. nose Cup
d. speaking diaphragm - ✔✔A
✔✔Which of the following BEST describes SCBA safety precautions to take in an IDLH
atmosphere?
a. Work in teams of two or more
b. exit IDLH atmosphere after a low air alarm activates
c. remove SCBA if atmosphere appear safe
d. check air supply when there is downtime - ✔✔A
✔✔Which of the following respiratory hazards causes super-heated air to damage the
respiratory tract?
