Chapter 5 Flashcards
(68 cards)
Which statement about a compartment fire is true?
A. Given enough available fuel, fire will follow oxygen through a building along any available path.
B. A closed door between two adjoining rooms will not slow the effect of a fire in one room on the adjoining room.
C. Two rooms that a doorway connects are considered one compartment even if the door between them is closed.
D. Firefighters should use doors to their advantage during interior operations, opening doors wherever possible to slow fire growth.
C. Two rooms that a doorway connects are considered one compartment even if the door between them is closed.
Which feature of modern construction (homes built after 1990) poses problems for firefighters during extinguishment and ventilation?
A. Smaller houses on larger lots
B. Windows that can be opened for ventilation
C. Synthetic interior finishes and light wood components
D. Smaller compartments and more compartments in one area
D. Smaller compartments and more compartments in one area
How can lightweight or engineered trusses react under fire conditions?
A. They will fail much more slowly than heavy timber beams.
B. They are not part of the load, so they will not burn or fail.
C. The trusses can fail without warning, even without flame contact.
D. They will gradually lose strength and make a loud sound before failing.
B. They are not part of the load, so they will not burn or fail.
Which statement relating to buildings under construction, renovation, or demolition is true?
A. Because of restricted access, arson is rarely a factor at buildings undergoing demolition.
B. Inoperative standpipes and sprinkler systems have become a contributing factor in fire loss in building under construction.
C. The risk of fire is less for a building under construction than when completed because of the lack of combustible content.
D. Hazardous situations are unlikely in occupied buildings undergoing renovation because conditions blocking escape of occupants or entry of firefighters are prohibited by code.
A. Because of restricted access, arson is rarely a factor at buildings undergoing demolition.
Station work uniforms:
A. provide respiratory protection.
B. protect the wearer from exposure to hazardous materials.
C. provide a layer of protection against direct flame contact.
D. protect the wearer from exposure to airborne contaminants.
D. protect the wearer from exposure to airborne contaminants.
What should firefighters avoid wearing while on duty?
A. Coveralls
B. Cotton underwear
C. Shoes or boots with steel toes
D. Non-fire-resistant synthetic clothing
C. Shoes or boots with steel toes
Which piece of information is required to be shown on an NFPA 1971 compliance tag inside items of protective clothing?
A. Purchase price
B. Year of manufacture
C. Name of the purchasing department
D. Name of the firefighter who is issued the gear
C. Name of the purchasing department
Changing, adding, or removing components from protective clothing:
A. may endanger a firefighter’s life.
B. is allowed with permission from a supervisor.
C. will affect the safety of the wearer’s teammates.
D. should be done as needed to customize a garment.
D. should be done as needed to customize a garment.
Protective clothing traps body heat and moisture inside, which may significantly:
A. decrease skin temperature.
B. decrease core temperature.
C. increase airflow around the skin.
D. increase breathing and heart rate.
A. decrease skin temperature.
When wearing a helmet, the wearer should:
A. leave the ear flaps up for ventilation.
B. avoid placing any load on the helmet itself.
C. wear a form of primary eye protection in addition to the face shield.
D. leave the chin strap loose enough that two fingers will fit between it and the chin.
A. leave the ear flaps up for ventilation.
In which situation would wearing hearing protection be impractical or dangerous?
A. Operating a power saw
B. Riding in the apparatus cab
C. Starting a portable generator
D. Attempting to locate a trapped victim
D. Attempting to locate a trapped victim
When fighting a wildfire fire, it is unsafe to wear:
A. leather gloves.
B. long sleeve shirts.
C. cotton underclothing.
D. synthetic underclothing.
D. synthetic underclothing.
In order to ensure maximum visibility to motorists, the U.S. Department of Transportation requires personnel at roadway incidents to wear:
A. high-visibility vests.
B. high-visibility belts.
C. lighted safety indicators.
D. blinking warning devices.
A. high-visibility vests.
Which is a safety consideration about PPE?
A. Structural fire fighting coats and trousers should not overlap one another.
B. Wearing protective clothing will intensify your awareness of heat increases.
C. PPE should always be worn loose in order to allow for greater dexterity and balance.
D. Protective clothing can retain moisture from sweat, which may cause heat stress or burns.
D. Protective clothing can retain moisture from sweat, which may cause heat stress or burns.
Why must PPE be cleaned and inspected after each use?
A. It is a manufacturer requirement.
B. Failure to clean and inspect PPE will void the warranty.
C. Body fluid contamination will reduce the fire resistance of the PPE.
D. Hydrocarbon contamination will reduce the fire resistance of the PPE.
D. Hydrocarbon contamination will reduce the fire resistance of the PPE.
When firefighters doff PPE after an incident, they should:
A. keep it in the apparatus cab so that it is readily available.
B. place it in a designated area for storage until the next call.
C. inspect it for thermal damage such as charring or melting.
D. send it to the manufacturer for deep cleaning and maintenance.
C. inspect it for thermal damage such as charring or melting.
Routine cleaning of PPE is performed by:
A. the manufacturer.
B. a contract cleaner.
C. a company officer.
D. the wearer of the PPE.
D. the wearer of the PPE.
When PPE is contaminated with hazardous materials or bodily fluids, it:
A. can be routinely cleaned by the wearer.
B. should be thrown away or traded in for a new set of PPE.
C. may continue to be worn until it can be sent to the manufacturer for cleaning.
D. requires specialized cleaning by a trained department member or outside contractor.
D. requires specialized cleaning by a trained department member or outside contractor.
According to NFPA and OSHA, an atmosphere that contains less than 19.5 percent oxygen would be considered:
A. oxygen-deficient.
B. oxygen-enriched.
C. safe for normal operations.
D. too dangerous for specialized rescue.
A. oxygen-deficient.
Breathing air that has been heated to flame temperatures:
A. can cause cancer.
B. can seriously damage the respiratory tract.
C. has not been proven to cause lasting effects on firefighters.
D. causes damage that can be reversed if cool air is quickly administered.
B. can seriously damage the respiratory tract.
Exposure to particulate contaminants such as vehicle exhaust:
A. has little effect on firefighters’ health.
B. can cause lung cancer or cardiovascular disease.
C. can be reversed with a healthy diet and exercise.
D. is only of concern if it occurs in an oxygen-deficient atmosphere.
B. can cause lung cancer or cardiovascular disease.
Which harmful gas is commonly found as a product of combustion in fires?
A. Hydrogen dioxide
B. Hydrogen cyanide
C. Ammonium nitrate
D. Ammonium chloride
B. Hydrogen cyanide
During post-suppression overhaul operations, SCBA:
A. may be cleaned or inspected.
B. should be used only when necessary.
C. must be worn because respiratory hazards remain.
D. can be removed because smoke volume diminishes.
C. must be worn because respiratory hazards remain.
How can firefighters protect themselves against exposure to airborne pathogens?
A. Use SCBA
B. Diet and exercise
C. Wear surgical masks
D. Targeted physical training
A. Use SCBA
