Flashcards in Responding to "Routine" Emergencies Deck (156)
When responding to an odor of smoke in a commercial occupancy, telephone exchange, or a building that houses a transformer, one hazard may be present in the burning insulation?
Polyvinyl chloride (PVC)
At an odor of smoke call, flickering, Tim, or nonfunctioning fluorescent lamp can indicate that the _________ is heating up.
It is possible, in ballast devices manufactured before 1979, that the capacitor contains a small amount of ____ contaminated dielectric fluid.
True or false: removing a fluorescent lamp smaller than eight feet will stop the flow of electricity.
underwriter laboratories didn’t require thermal protection for approved recessed lighting until what year?
since the smell of overheating rubber mimics that of an electrical problem, you should consider checking ____________at an electrical odor call.
the belts of major appliances
If you suspect that ignited lint is the source of the smoke condition, you’ll have to check both the clothes dryer itself and the entire run of the
True or false: a loose wire in a junction box may cause overheating in another box, provoking a fire remote from the cause.
a non-invasive way to check behind the wall for hot wires, smoldering beams, or active flaming is to use a
should the fire department open sealed electrical boxes?
in a residential building, will opening the main switch necessarily cut off all power to the home?
true or false: some new meters may be removed without interrupting the flow of electricity into the building.
does aluminum siding pose a threat of shock hazard?
name four dangers associated with spraying water on a burning pole mounted transformer.
2. PCB contamination,
4. Down wires
treat all wires as if they were
Is it entirely safe to use a rope or a wooden Pike pole to remove a downed power line from a vehicle?
when power lines are down, danger zone should be at least ________in either direction of the fault.
one span between poles
If, at the request of the utility company, the decision is made to flood in electrical manhole, the proper procedure you should follow is to
tie off the butt end of an open hose and remove all personnel to a safe distance.
The major problem experienced with electrical manholes in the North East is deterioration due to
The gases generated by burning wiring are not only noxious and deadly, they are also _______and ________.
flammable and explosive
The author recommends that you routinely test for dangerous levels of ____at every manhole incident.
Who should pull the cover off of a smoking manhole?
appropriately trained utility personnel.
The most common home heating fuels are ___and _______.
oil and natural gas.
Based on its viscosity, fuel oil is separated into how many grades?
the capacity of the fuel tank in a private dwelling is typically ___ gallons.
To ignite the fuel oil in the combustion chamber of an oil burner, the fuel is _____, thus increasing its surface area.
Safety devices allowing oil burner pump to operate for no more than about ___seconds if no flames present.
This oil burner emergency occurs when unburned atomized fuel is ignited at the start of the burn cycle, resulting in an explosion. ____________.
Delayed ignition - Puff back.
The burning of pooled oil in the combustion chamber after the burner has shut down is known as ________.